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Oregon Short Line (1897 to 1915)

(Return to OSL Steam Locomotive Roster Index)

Part 1, Numbers 100 to 685

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Third
Number
Builder Builder
Number
Date
Built
Date
Vacated
OSL 100 KP 61 UPRy 402 ICRy 1 OSL&UN 402 Baldwin 2192 Jul 1870  

Description:

Drive Wheel Diameter: 61 inches (later 69 inches)
Cylinders: 16x24 inches (later 18x26 inches)

General Notes:

a. OSL 100 is shown in the January 1, 1900 listing of OSL equipment, with 16x24-inch cylinders and a new date of August 1870
b. Pitchard says OSL 100 was built as KP 61 in 1870; to UPRy 402 in 1885; to Idaho Central Railway in 1887; to OSL&UN 402 in 1889; to OSL 100 in 1897; Pitchard cites "a U. P. Boston General Office general journal entry in August of 1887, which notes that U.P. engine No. 402 (and some other rolling stock) was sold in that month to the new Idaho Central Railway."
c. McCulloh does not show an OSL 100, and that UPRy 402 was rebuilt to UPRy 827 in 1887, then to UP 941 in 1915 (The question becomes: which "official" record is more believable, the Boston account book record, or the UP 1894 inventory record; there were at least four locomotives in the UPRy 400 series, all vacated in 1887, that could have been sold to Idaho Central and/or rebuilt to UPRy 827)
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 101 USRR 5 UCRy 11 OSL&UN 437 (2nd) Schenectady 1215 Feb 1880 Aft 1897 1

Description:

Drive Wheel Diameter: 60 inches (later 63 inches)
Cylinders: 16x24 inches

Notes:

1. OSL 101 was built as Utah Southern RR 5 in 1880; to Utah Central Railway 11 in 1881; to OSL&UN 437 (2nd) in 1889; to OSL 101 in 1897; vacated after 1897
2. OSL 1900 list shows "new" date of August 1879
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 102 UPRR 49 USRR 2 UCRy 8 OSL&UN 435 Grant 548 1868 Aft 1902 1

Description:

Drive Wheel Diameter: 61 inches (later 63 inches)
Cylinders: 17x24 inches (later 16x24 inches)

Notes:

1. OSL 102 was built as UPRR 49 in 1868; to Utah Southern RR 2 in 1873; to Utah Central Railway 8 in 1881; to OSL&UN 435 in 1889; to OSL 102 in 1897; in snowplow service as of May 19, 1902, per Salt Lake Daily Tribune
2. OSL 1900 list shows "new" date of August 1879
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 103 USRR 4 UCRy 10 OSL&UN 436 (2nd) Schenectady 1093 Aug 1878 Aug 1901 1

Description:

Drive Wheel Diameter: 60 inches (later 63 inches)
Cylinders: 16x24 inches

General Notes:

a. OSL 103 was built as Utah Southern RR 4 in 1878; to Utah Central Railway 10 in 1881; to OSL&UN 436 (2nd) in 1889; to OSL 103 in 1897
b. OSL 1900 list shows "new" date of August 1873

Notes:

1. OSL 103 was scapped by OSL in November 1901 (from OSL account books, per Pitchard research)
 

OSL 4-4-0 — 2 locomotives

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Fifth
Number
Builder Builder
Number
Date
Built
Jan 1900 OSL
"Engine New" Date
Date
Vacated
Notes
OSL 200 UPRR 5 UPRy 5 OSLRy 24 OSLRy 550 OSL&UN 550 Norris [1188] 1865 Sep 1878 Dec 1899 1
OSL 201 UPRR 4 UPRy 4 OSLRy 29 OSLRy 551 OSL&UN 551 Norris [1187] 1865   Oct 1898 2

General Notes:

a. The specific number-to-number sequence for the OSL&UN 500 series to the OSL 200 series is not confirmed; the sequence shown above is based on available locomotive specifications and other sources.
b. The "Engine New" dates shown in the 1900 OSL inventory may be the most recent rebuild of a particular locomotive; the dates also likely reflect the date in 1867 that the subject locomotives were purchased by UPRR from its various construction contractors.
c. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 200 60-16x24 64-17x24 Feb 1883
  OSL 201 60-16x24 64-17x24 Jul 1881

Notes:

1. OSL 200 was built for UPRR as "Vice Admiral Farragut" in 1865; to UPRR 5 in 1867; to UPRy 5 in 1880; to OSLRy  24 in 1882; to OSLRy 550 in 1885; to OSL&UN 550 in 1889; to OSL 200 in 1897; scrapped by OSL in December 1899 (from OSL account books, per Pitchard research)
2. OSL 201 was built for UPRR as "Major General Sheridan" in 1865; to UPRR 4 in 1867; to UPRy 4 in 1880; to OSLRy 29 in 1882; to OSLRy 551 in 1885; to OSL&UN 551 in 1889; to OSL 201 in 1897; vacated in 1898
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Fifth
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 202 UPRR 11 UPRy 11 OSLRy 26 OSLRy 552 OSL&UN 552 Danforth 448 May 1866 Oct 1898 1

General Notes:

a. The specific number-to-number sequence for the OSL&UN 500 series to the OSL 200 series is not confirmed; the sequence shown above is based on available locomotive specifications and other sources.
b. The 1900 inventory for OSL does not show OSL 202
c. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 202 63-16x24 64-17x24 Jun 1880

Notes:

1. OSL 202 was built for UPRR as "Colorado" in 1866; to UPRR 11 in 1867; to UPRy 11 in 1880; to OSLRy 26 in 1882; to OSLRy 552 in 1885; to OSL&UN 552 in 1889; to OSL 202 in 1897; vacated and scrapped by OSL in October 1898
 

OSL 4-4-0 — 3 locomotives

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Fifth
Number
Builder Builder
Number
Date
Built
Jan 1900 OSL
"Engine New" Date
Date
Vacated
Notes
OSL 203 UPRR 34 UPRy 34 OSLRy 19 OSLRy 558 OSL&UN 558 Hinkley & Williams 823 Jun 1867 Apr 1867 1906 1
OSL 204 UPRR 35 UPRy 35 OSLRy 20 OSLRy 559 OSL&UN 559 Hinkley & Williams 824 Jun 1867 Apr 1867 Nov 1909 2
OSL 205 UPRR 33 UPRy 33 OSLRy 25 OSLRy 560 OSL&UN 560 Hinkley & Williams 822 Jun 1867 Jul 1867 Aug 1902 3

General Notes:

a. The specific number-to-number sequence for the OSL&UN 500 series to the OSL 200 series is not confirmed; the sequence shown above is based on available locomotive specifications and other sources.
b. The "Engine New" dates shown in the 1900 OSL inventory may be the most recent rebuild of a particular locomotive; the dates also likely reflect the date in 1867 that the subject locomotives were purchased by UPRR from its various construction contractors.
c. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 203 60-16x24 62-17x24 Feb 1882
  OSL 204 60-16x24 64-17x24 Feb 1885
  OSL 205 60-16x24 62-17x24 Dec 1882

Notes:

1. OSL 203 was built as UPRR 34 in 1867; to UPRy 34 in 1880; to OSLRy 19 in 1882; to OSLRy 558 in 1885; to OSL&UN 558 in 1889; to OSL 203 in 1897; vacated in 1906
2. OSL 204 was built as UPRR 35 in 1867; to UPRy 35 in 1880; to OSLRy 20 in 1882; to OSLRy 559 in 1885; to OSL&UN 559 in 1889; to OSL 204 in 1897; vacated in 1909; sold to Inland Crystal Salt Company (Salt Lake City, Utah) in 1909
3. OSL 205 was built as UPRR 33 in 1867; to UPRy 33 in 1880; to OSLRy 25 in 1882; to OSLRy 560 in 1885; to OSL&UN 560 in 1889; to OSL 205 in 1897; vacated in August 1902 (from OSL account books, per Pitchard research)
 

OSL 4-4-0 — 9 locomotives

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Builder Builder
Number
Date
Built
Jan 1900 OSL
"Engine New" Date
Date
Vacated
1915 OSL
Number
Notes
OSL 206 UPRR 19 (2nd) OSLRy 1 OSLRy 586 OSL&UN 586 Grant 477 Aug 1866 Jul 1867 Nov 1900   1
OSL 207 UPRR 20 (2nd) OSLRy 2 OSLRy 587 OSL&UN 587 Grant 478 Aug 1866 Aug 1867 1916   2
OSL 208 UPRR 16 OSLRy 3 OSLRy 588 OSL&UN 588 Grant 474 Jul 1866 Apr 1867 1900   3
OSL 209 UPRR 43 OSLRy 4 OSLRy 589 OSL&UN 589 Grant 530 1867 Jul 1867 Bef 1904   4
OSL 210 UPRR 44 OSLRy 5 OSLRy 590 OSL&UN 590 Grant 531 1867 Dec 1882 Jul 1900   5
OSL 211 UPRR 45 OSLRy 6 OSLRy 591 OSL&UN 591 Grant 532 1867 Jun 1868 Mar 1902   6
OSL 212 UPRR 47 OSLRy 9 OSLRy 592 OSL&UN 592 Grant 534 1867 April 1881 Sep 1902   7
OSL 213 UPRR 18 OSLRy 10 OSLRy 593 OSL&UN 593 Grant 476 Aug 1866 Apr 1867 1913   8
OSL 214 UPRR 58 OSLRy 23 OSLRy 594 OSL&UN 594 Grant 551 Mar 1868 Jul 1867   OSL 1000 9

General Notes:

a. The specific number-to-number sequence for the OSL&UN 500 series to the OSL 200 series is not confirmed; the sequence shown above is based on available locomotive specifications and other sources.
b. The "Engine New" dates shown in the 1900 OSL inventory may be the most recent rebuild of a particular locomotive; the dates also likely reflect the date in 1867 that the subject locomotives were purchased by UPRR from its various construction contractors.
c. Builder information taken from Robert Lemuth's Grant list.
d. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 206 61-16x24 62-17x24 Jul 1882
  OSL 207 61-16x24 64-17x24 Nov 1885
  OSL 208 61-16x24 62-17x24 May 1881
  OSL 209 61-17x24 62-17x24 Nov 1879
  OSL 210 61-17x24 62-17x24 Jun 1880
  OSL 211 61-17x24 62-17x24 Sep 1879
  OSL 212 61-17x24 62-17x24 Nov 1890
  OSL 213 61-16x24 62-17x24 Nov 1880
  OSL 214 61-17x24 62-17x24 Jul 1885

Notes:

1. OSL 206 was built as UPRR 19 (2nd) in 1866; to OSLRy 1 in 1882; to OSLRy 586 in 1885; to OSL&UN 586 in 1889; to OSL 206 in 1897; scrapped by OSL in November 1900 (from OSL account books, per Pitchard research)
2. OSL 207 was built as UPRR 20 (2nd) in 1866; to OSLRy 2 in 1882; to OSLRy 587 in 1885; to OSL&UN 587 in 1889; to OSL 207 in 1897; vacated in 1916; scrapped
3. OSL 208 was built as UPRR 16 in 1866; to OSLRy 3 in 1882; to OSLRy 588 in 1885; to OSL&UN 588 in 1889; to OSL 208 in 1897; vacated in 1900; scrapped by OSL at Salt Lake City in mid June 1900 (see Salt Lake Tribune, June 14, 1900)
4. OSL 209 was built as UPRR 43 in 1867; to OSLRy 4 in 1882; to OSLRy 589 in 1885; to OSL&UN 589 in 1889; to OSL 209 in 1897; vacated between 1900 and 1904
5. OSL 210 was built as UPRR 44 in 1867; to OSLRy 5 in 1882; to OSLRy 590 in 1885; to OSL&UN 590 in 1889; to OSL 210 in 1897; scrapped by OSL in July 1900 (from OSL account books, per Pitchard research)
6. OSL 211 was built as UPRR 45 in 1867; to OSLRy 6 in 1882; to OSLRy 591 in 1885; to OSL&UN 591 in 1889; to OSL 211 in 1897; scrapped by OSL in March 1902 (from OSL account books, per Pitchard research)
7. OSL 212 was built as UPRR 47 in 1867; to OSLRy 9 in 1882; to OSLRy 592 in 1885; to OSL&UN 592 in 1889; to OSL 212 in 1897; vacated in September 1902 (from OSL account books, per Pitchard research)
8. OSL 213 was built as UPRR 18 in 1866; to OSLRy 10 in 1882; to OSLRy 593 in 1885; to OSL&UN 593 in 1889; to OSL 213 in 1897; converted to wedge snow plow at Pocatello, March 1912; vacated in 1913
9. OSL 214 was built as UPRR 58 in 1868; to OSLRy 23 in 1882; to OSLRy 594 in 1885; to OSL&UN 594 in 1889; to OSL 214 in 1897; to OSL 1000 in 1915; vacated in 1916
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Date To
OSL
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 215 PVRR 101 1914 Grant   1867 OSL 1001 1

Description:

Drive Wheel Diameter: 61 inches (later 63 inches)
Cylinders: 16x24 inches (later 17x24 inches)

General Notes:

a. Payette Valley RR was completed in 1906 and leased to OSL in 1914.

Notes:

1. OSL 215 was built for an unknown original owner; sold to Payette Valley Railroad in 1906; PVRR 101 became OSL 215 in 1914; to OSL 1001 in 1915; vacated in 1916
 

OSL 4-4-0 — 15 locomotives

1897 OSL
Number
First
Number
Second
Number
Builder Builder
Number
Date
Built
Date
Vacated
Later
Number
1915 OSL
Number
Notes
OSL 300 U&NRy 726 OSL&UN 726 Baldwin 8372 Feb 1887 1899 OSL 401 OSL 1010 1
OSL 301 U&NRy 727 OSL&UN 727 Baldwin 8375 Feb 1887 Nov 1909     2
OSL 302 U&NRy 728 OSL&UN 728 Baldwin 8381 Feb 1887 1903 SPLA&SL 28   3
OSL 303 U&NRy 729 OSL&UN 729 Baldwin 8382 Feb 1887     OSL 1002 4
OSL 304 U&NRy 730 OSL&UN 730 Baldwin 8383 Feb 1887 (Oct 1901) BN&O OSL 1003 5
OSL 305 U&NRy 731 OSL&UN 731 Baldwin 8385 Feb 1887 1903 SPLA&SL 34   6
OSL 306 U&NRy 732 OSL&UN 732 Baldwin 8386 Feb 1887 1899 OSL 403 OSL 1012 7
OSL 307 U&NRy 733 OSL&UN 733 Baldwin 8387 Feb 1887 1899 OSL 402 OSL 1011 8
OSL 308 U&NRy 734 OSL&UN 734 Baldwin 8388 Feb 1887 1903 SPLA&SL 35   9
OSL 309 U&NRy 735 OSL&UN 735 Baldwin 8389 Feb 1887 1903 SPLA&SL 29   10
OSL 310 OSLRy 746 OSL&UN 746 Baldwin 8411 Mar 1887 Sep 1907 SPdeM 150   11
OSL 311 OSLRy 747 OSL&UN 747 Baldwin 8410 Mar 1887 1903 SPLA&SL 30   12
OSL 312 OSLRy 748 OSL&UN 748 Baldwin 8409 Mar 1887 1903 SPLA&SL 31   13
OSL 313 OSLRy 749 OSL&UN 749 Baldwin 8423 Mar 1887 Sep 1907 SPdeM 151   14
OSL 314 OSLRy 750 OSL&UN 750 Baldwin 8424 Mar 1887 1899 OSL 404   15

General Notes:

a. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 300 62-18x26 69-18x26 1897-1899
  OSL 301 62-18x26    
  OSL 302 62-18x26 69-18x26 1897
  OSL 303 62-18x26    
  OSL 304 62-18x26 69-18x26 1897
  OSL 305 62-18x26 69-18x26 1897
  OSL 306 62-18x26 69-18x26 Jul 1899
  OSL 307 62-18x26 69-18x26 Aug 1899
  OSL 308 62-18x26 69-18x26 1897
  OSL 309 62-18x26 69-18x26 1897
  OSL 310 62-18x26    
  OSL 311 62-18x26 69-18x26 1897
  OSL 312 62-18x26 69-18x26 Jul 1897
  OSL 313 62-18x26 69-18x26 1897
  OSL 314 62-18x26 69-18x26 1897-1899

Notes:

1. OSL 300 was built as U&N 726 in 1887; to OSL&UN 726 in 1889; to OSL 300 in 1897; rebuilt to OSL 401 in 1899; to OSL 1010 in 1915; vacated in 1921
2. OSL 301 was built as U&N 727 in 1887; to OSL&UN 727 in 1889; to OSL 301 in 1897; sold to Silver Peak Railroad in November 1909 in exchange for OSL 642 (Silver Peak RR operated from a connection with Tonopah & Goldfield RR in Nevada, and was abandoned by December 1918; locomotives scrapped by 1922.) (see Robertson, Volume 1, page 160)
3. OSL 302 was built as U&N 728 in 1887; to OSL&UN 728 in 1889; to OSL 302 in 1897; to SPLA&SL 28 in 1903; to LA&SL 1051 in 1916; vacated in 1925
4. OSL 303 was built as U&N 729 in 1887; to OSL&UN 729 in 1889; to OSL 303 in 1897; to OSL 1002 in 1915; vacated in 1917
5. OSL 304 was built as U&N 730 in 1887; to OSL&UN 730 in 1889; to OSL 304 in 1897; sold to Boise, Nampa & Owyhee Railroad in October 1901 for $5,600.00; to Idaho Northern Railway 201 in 1907 (INRy sold to OSL in December 1912); INRy 201 back to OSL 304 in January 1913; to OSL 1003 in 1915; vacated in 1922 (click here for more BN&O and INRy information)
6. OSL 305 was built as U&N 731 in 1887; to OSL&UN 731 in 1889; to OSL 305 in 1897; to SPLA&SL 34 in 1903; to LAS&SL 1054 in 1916; vacated in 1922
7. OSL 306 was built as U&N 732 in 1887; to OSL&UN 732 in 1889; to OSL 306 in 1897; rebuilt to OSL 403 in 1899; to OSL 1012 in 1915; vacated in 1921
8. OSL 307 was built as U&N 733 in 1887; to OSL&UN 733 in 1889; to OSL 307 in 1897; rebuilt to OSL 402 in 1899; to OSL 1011 in 1915; vacated in 1922
9. OSL 308 was built as U&N 734 in 1887; to OSL&UN 734 in 1889; to OSL 308 in 1897; to SPLA&SL 35 in 1903; to LA&SL 1055 in 1916; vacated in 1922
10. OSL 309 was built as U&N 735 in 1887; to OSL&UN 735 in 1889; to OSL 309 in 1897; to SPLA&SL 29 in 1903; vacated in 1922
11. OSL 310 was built as OSLRy 746 in 1887; to OSL&UN 746 in 1889; to OSL 310 in 1897; to SPdeM 150 in 1907
12. OSL 311 was built as OSLRy 747 in 1887; to OSL&UN 747 in 1889; to OSL 311 in 1897; to SPLA&SL 30 in 1903; vacated in 1916
13. OSL 312 was built as OSLRy 748 in 1887; to OSL&UN 748 in 1889; to OSL 312 (2nd) in 1897; to SPLA&SL 31 in 1903; vacated in 1917
14. OSL 313 was built as OSLRy 749 in 1887; to OSL&UN 749 in 1889; to OSL 313 in 1897; to SPdeM 151 in 1907
15. OSL 314 was built as OSLRy 750 in 1887; to OSL&UN 750 in 1889; to OSL 314 in 1897; rebuilt to OSL 404 in 1899; vacated in 1902
 

OSL 4-4-0 — 10 locomotives

1897 OSL
Number
First
Number
Second
Number
Builder Builder
Number
Date
Built
Date
Vacated
Later
Number
1915 OSL
Number
Notes
OSL 315 U&NRy 751 OSL&UN 751 Grant 1703 May 1887     OSL 1004 1
OSL 316 U&NRy 752 OSL&UN 752 Grant 1704 May 1887 Nov 1901 OSL 450 OSL 1014 2
OSL 317 U&NRy 753 OSL&UN 753 Grant 1705 May 1887     OSL 1005 3
OSL 318 U&NRy 754 OSL&UN 754 Grant 1706 May 1887 1903     4
OSL 319 U&NRy 755 OSL&UN 755 Grant 1707 May 1887     OSL 1006 5
OSL 320 U&NRy 756 OSL&UN 756 Grant 1708 May 1887 1903     6
OSL 321 U&NRy 757 OSL&UN 757 Grant 1709 May 1887 Aug 1907     7
OSL 322 U&NRy 758 OSL&UN 758 Grant 1710 May 1887 Aug 1907     8
OSL 323 U&NRy 759 OSL&UN 759 Grant 1711 May 1887     OSL 1007 9
OSL 324 U&NRy 760 OSL&UN 760 Grant 1712 May 1887 Mar 1901 OSL 400 OSL 1009 10

General Notes:

a. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 315 62-18x26 69-18x26  
  OSL 316 62-18x26 69-18x26 Nov 1901
  OSL 317 62-18x26    
  OSL 318 62-18x26    
  OSL 319 62-18x26    
  OSL 320 62-18x26 69-18x26 1897
  OSL 321 62-18x26 69-18x26 1897
  OSL 322 62-18x26    
  OSL 323 62-18x26    
  OSL 324 62-18x26 69-18x26 Mar 1901

Notes:

1. OSL 315 was built as U&N 751 in 1887; to OSL&UN 751 in 1889; to OSL 315 in 1897; to OSL 1004 in 1915; vacated in 1923
2. OSL 316 was built as U&N 752 in 1887; to OSL&UN 752 in 1889; to OSL 316 in 1897; to OSL 450 in 1901; to OSL 1014 in 1915; vacated in 1923
3. OSL 317 was built as U&N 753 in 1887; to OSL&UN 753 in 1889; to OSL 317 in 1897; to OSL 1005 in 1915; vacated in 1921
4. OSL 318 was built as U&N 754 in 1887; to OSL&UN 754 in 1889; to OSL 318 in 1897; to SPLA&SL 32 in 1903; to LA&SL 1052 in 1916; vacated in 1925
5. OSL 319 was built as U&N 755 in 1887; to OSL&UN 755 in 1889; to OSL 319 in 1897; to OSL 1006 in 1915; vacated in 1923
6. OSL 320 was built as U&N 756 in 1887; to OSL&UN 756 in 1889; to OSL 320 in 1897; to SPLA&SL 33 in 1903; to LA&SL 1053 in 1916; vacated in 1922
7. OSL 321 was built as U&N 757 in 1887; to OSL&UN 757 in 1889; to OSL 321 in 1897; to SPdeM 152 in 1907
8. OSL 322 was built as U&N 758 in 1887; to OSL&UN 758 in 1889; to OSL 322 in 1897; to SPdeM 153 in 1907
9. OSL 323 was built as U&N 759 in 1887; to OSL&UN 759 in 1889; to OSL 323 in 1897; to OSL 1007 in 1915; vacated in 1921
10. OSL 324 was built as U&N 760 in 1887; to OSL&UN 760 in 1889; to OSL 324 in 1897; rebuilt to OSL 400 in 1901; to OSL 1009 in 1915; vacated in 1922
 

OSL 4-4-0 — 1 locomotive

1913 OSL
Number
First
Number
Date To
OSL
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 325 INRy 200 Jan 1913 Baldwin 33302 Mar 1909 OSL 1008 1

Description:

Drive Wheel Diameter: 62 inches
Cylinders: 18x24 inches

General Notes:

a Idaho Northern Railway was sold to OSL on December 31, 1912; merged with OSL on January 6, 1913.

Notes:

1. OSL 325 was built as Idaho Northern Railway 200 in 1909; to OSL 325 in 1913; to OSL 1008 in 1915; vacated in 1923
 

OSL 4-4-0 — 2 locomotives

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 367 UPRR 144 USRR 3 UCRy 9 OSL&UN 367 Schenectady 547 Mar 1869 1894-1898 1
OSL 368 UPRR 65 (USRR 13) UCRy 15 OSL&UN 368 Schenectady 503 Aug 1868 1894-1898 2

General Notes:

a. Individual locomotive specifications
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 367 54-16x24 59-16x24  
  OSL 368 60-16x24 59-16x24  

Notes:

1. OSL 367 was built as UPRR 144 in 1869; to Utah Southern RR 3 in 1873; to Utah Central Railway 9 in 1881; to OSL&UN 367 in 1889; vacated between 1894 and 1898
2. OSL 368 was built as UPRR 65 in 1868; to Utah Southern Railroad (13) in 1879; to Utah Central Railway 15 in 1881; to OSL&UN 368 in 1889; vacated between 1894 and 1898.
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Date To
400 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 400 U&NRy 760 OSL&UN 760 OSL 324 Mar 1901 Grant 1712 Mar 1887 OSL 1009 1

Description:

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches in March 1901)
Cylinders: 18x24 inches

Notes:

1. OSL 400 was built as U&N 760 in 1887; to OSL&UN 760 in 1889; to OSL 324 in 1897; rebuilt to OSL 400 in 1901; to OSL 1009 in 1915; vacated in 1922
 

OSL 4-4-0 — 4 locomotives

1899 OSL
Number
First
Number
Second
Number
Third
Number
Date To
400 Series
Builder Builder
Number
Date
Built
Date
Vacated
1915 OSL
Number
Notes
OSL 401 U&NRy 726 OSL&UN 726 OSL 300 1899 Baldwin 8372 Feb 1887   OSL 1010 1
OSL 402 U&NRy 733 OSL&UN 733 OSL 307 Aug 1899 Baldwin 8387 Feb 1887   OSL 1011 2
OSL 403 U&NRy 732 OSL&UN 732 OSL 306 Jul 1899 Baldwin 8386 Feb 1887   OSL 1012 3
OSL 404 OSLRy 750 OSL&UN 750 OSL 314 1899 Baldwin 8424 Mar 1887 1902   4

General Notes:

a. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 401 62-18x26 69-18x26 1899
  OSL 402 62-18x26 69-18x26 Aug 1899
  OSL 403 62-18x26 69-18x26 Jul 1899
  OSL 404 62-18x26 69-18x26 1899

Notes:

1. OSL 401 was built as U&N 726 in 1887; to OSL&UN 726 in 1889; to OSL 300 in 1897; rebuilt to OSL 401 in 1899; to OSL 1010 in 1915; vacated in 1921
2. OSL 402 was built as U&N 733 in 1887; to OSL&UN 733 in 1889; to OSL 307 in 1897; rebuilt to OSL 402 in 1899; to OSL 1011 in 1915; vacated in 1922
3. OSL 403 was built as U&N 732 in 1887; to OSL&UN 732 in 1889; to OSL 306 in 1897; rebuilt to OSL 403 in 1899; to OSL 1012 in 1915; vacated in 1921
4. OSL 404 was built as OSLRy 750 in 1887; to OSL&UN 746 in 1889; to OSL 310 in 1897; rebuilt to OSL 404 in 1899; vacated in 1902
 

OSL 4-4-0 — 1 locomotive

OSL
Number
Previous
Number
Date To
400 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 405 UPRy 843 1899 Schenectady 525 Dec 1868 OSL 1013 1

Description:

Drive Wheel Diameter: 54 inches (rebuilt to 69 inches in December 1892)
Cylinders: 16x24 inches (rebuilt to 18x26 inches in December 1892)

General Notes:

a. Individual locomotive history:
  OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Fifth
Number
  OSL 405 UPRR 123 USRRE 123 UCRy 16 OSL&UN 369 UPRy 843

Notes:

1. OSL 405 was built as UPRR 123 in 1868; to Utah Southern Railroad Extension 123 in 1879; to Utah Central Ry. 16 in 1881; to OSL&UN 369 in 1889; rebuilt to UPRy 843 in December 1892; to OSL 405 in 1899; to OSL 1013 in 1915; vacated in January 1923; possibly leased or sold to Willamina & Grande Ronde Railway
 

OSL 4-6-0 — 10 locomotives (Vauclain Compound; renumbered upon delivery)

OSL
Number
Builder Builder
Number
Date
Built
1902 OSL
Number
Date
Renumbered
OSL 400 (2nd) Baldwin 20195 Mar 1902 OSL 800 (2nd) 1902
OSL 401 (2nd) Baldwin 20196 Mar 1902 OSL 801 (2nd) 1902
OSL 402 (2nd) Baldwin 20197 Mar 1902 OSL 802 (2nd) 1902
OSL 403 (2nd) Baldwin 20198 Mar 1902 OSL 803 1902
OSL 404 (2nd) Baldwin 20199 Mar 1902 OSL 804 1902
OSL 405 (2nd) Baldwin 20200 Mar 1902 OSL 805 1902
OSL 406 (2nd) Baldwin 20201 Mar 1902 OSL 806 1902
OSL 407 (2nd) Baldwin 20246 Apr 1902 OSL 807 1902
OSL 408 (2nd) Baldwin 20247 Apr 1902 OSL 808 1902
OSL 409 (2nd) Baldwin 20248 Apr 1902 OSL 809 1902

Description: (as Vauclain compound)

Drive Wheel Diameter: 72 inches
Cylinders: 15-1/2&26x28 inches

General Notes:

a. Built as OSL 400-405 (2nd) and 406-409; renumbered to OSL 800-802 (2nd) and 803-809 upon delivery in 1902; to OSL 1562-1571 in 1915; vacated in 1926-1928
b. Built as Vauclain compound locomotives; rebuilt to simple in 1906-1909
c. OSL no. 409 was the first locomotive on the Union Pacific Lines to be delivered with a Vanderbilt-patent tender. The other locomotives in this group were delivered with a 7,000 gallon Rectangular tender, Class 7-R; the tender on OSL 409 was a 7,000 gallon Cylindrical tender, class 7-C.
 

OSL 4-4-0 — 1 locomotive

1897 OSL
Number
First
Number
Second
Number
Third
Number
Builder Builder
Number
Date
Built
Date
Vacated
Notes
OSL 434 UCRR 6 UCRy 6 OSL&UN 434 Hinkley & Williams 1120 Oct 1872 Bef 1900 1

Description:

Drive Wheel Diameter: 60 inches (later 63 inches)
Cylinders: 16x24 inches

Notes:

1. OSL 434 was built as Utah Central RR 6 in 1872; to Utah Central Railway 6 in 1881; to OSL&UN 434 in 1889; to OSL 434 in 1897; vacated after 1897 (not shown in OSL 1900 list)
 

OSL 4-4-0 — 1 locomotive

OSL
Number
First
Number
Second
Number
Third
Number
Date To
OSL 450
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 450 U&NRy 752 OSL&UN 752 OSL 316 (2nd) Nov 1901 Grant 1698 May 1887 OSL 1014 1

Description:

Drive Wheel Diameter: 69 inches (rebuilt from 62 inches in November 1901)
Cylinders: 18-5/8x26 inches (rebuilt from 18x26 inches in November 1901)

Notes:

1. OSL 450 was built as U&N 752 in 1887; to OSL&UN 752 in 1889; to OSL 316 (2nd) in 1897; rebuilt to OSL 450 in 1901; to OSL 1014 in 1915; vacated in 1923
 

OSL 4-6-0 — 26 locomotives

1897 OSL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Builder Builder
Number
Date
Built
Jan 1900 OSL
"Engine New" Date
Date
Vacated
1915 OSL
Number
Notes
OSL 500 UPRR 140 (2nd) OSLRy 14 OSLRy 969 OSL&UN 969 Taunton 648 Nov 1874 Nov 1874 Sep 1901   1
OSL 501 UPRR 139 (2nd) OSLRy 15 OSLRy 970 OSL&UN 970 Taunton 647 Nov 1874 Nov 1874 Sep 1901   2
OSL 502 UPRy 54 (2nd) SL&WRy 1 SL&WRy 984 OSL&UN 984 Taunton 863 Aug 1882 Aug 1882 1905   3
OSL 503 UPRy 235 OSLRy 11 OSLRy 966 OSL&UN 966 Taunton 776 Mar 1881 Apr 1881 1911   4
OSL 504 UPRR 134 (2nd) OSLRy 16 OSLRy 971 OSL&UN 971 Taunton 640 Jul 1874 Aug 1874 After 1900   5
OSL 505 UPRy 123 OSLRy 13 OSLRy 968 OSL&UN 968 Taunton 866 Aug 1882 Sep 1882 1908   6
OSL 506 UPRy 55 (2nd) OSLRy 7 OSLRy 964 OSL&UN 964 Taunton 864 Aug 1882 Aug 1882 After 1900   7
OSL 507 UPRy 49 OSLRy 12 OSLRy 967 OSL&UN 967 Taunton 861 Aug 1882   1903   8
OSL 508 UPRy 199 OSLRy 28 OSLRy 977 OSL&UN 977 Taunton 732 Apr 1880 Jul 1879 Jun 1900   12
OSL 511 UPRR 184 OSLRy 22 OSLRy 975 OSL&UN 975 Taunton 703 Jun 1879 Apr 1880 1916   9
OSL 509 UPRy 234 OSLRy 17 OSLRy 972 OSL&UN 972 Taunton 775 Mar 1881 Mar 1881 Oct 1901   10
OSL 510 UPRy 246 (1st) OSLRy 18 OSLRy 973 OSL&UN 973 Taunton 792 Jun 1881 Jul 1881 1901   11
OSL 512 UPRR 133 (2nd) OSLRy 21 OSLRy 974 OSL&UN 974 Taunton 639 Jul 1874   1903   13
OSL 513 USRR 6 UCRy 12 OSL&UN 1027   Taunton 779 Apr 1881 Aug 1880 1908   14
OSL 514 USRR 7 UCRy 13 OSL&UN 1028   Taunton 782 Apr 1881 Aug 1880 1903   15
OSL 515 UPRy 54 (1st) UCRy 19 OSL&UN 1029   Taunton 840 Mar 1882   Aug 1899   16
OSL 516 UPRy 55 (1st) UCRy 20 OSL&UN 1030   Taunton 841 Mar 1882 Aug 1880 Dec 1900   17
OSL 517 UPRy 65 UCRy 22 OSL&UN 1031   Taunton 865 Aug 1882 Aug 1880 1903   18
OSL 518 UPRy 51 OSLRy 8 OSLRy 965 OSL&UN 965 Taunton 862 Aug 1882 Aug 1882 1903   19
OSL 519 OSLRy 31 OSLRy 979 OSL&UN 979   Taunton 898 Nov 1883 Dec 1883 Oct 1900   20
OSL 520 OSLRy 32 OSLRy 980 OSL&UN 980   Taunton 899 Dec 1883 Dec 1883 Jun 1914   21
OSL 521 OSLRy 33 OSLRy 981 OSL&UN 981   Taunton 900 Dec 1883 Dec 1883 May 1916   22
OSL 522 OSLRy 34 OSLRy 982 OSL&UN 982   Taunton 901 Dec 1883 Dec 1883 1903   23
OSL 523 UPRR 107 UPRy 107 UPRy 907 OSL&UN 907 Rhode Island 66 Sep 1868 Feb 1894 UP 1903   24
OSL 524 OSLRy 35 OSLRy 983 OSL&UN 983   Taunton 902 Dec 1883 Feb 1898 OSL   OSL 1500 25
OSL 525 OSLRy 30 OSLRy 978 OSL&UN 978   Taunton 897 Nov 1883 Mar 1898   OSL 1501 26

General Notes:

a. The OSL 500-525 series were a group of ex OSL&UN 900- and 1000-class locomotives rebuilt before 1894 with 57 inch drivers; due to their similarity, all were renumbered to the 500 series when OSL took possession of OSL&UN in 1897.
b. The "Engine New" dates shown in the 1900 OSL inventory may be the most recent rebuild of a particular locomotive, with OSL 523, 524 and 525 being the obvious cases
c. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 500 54-18x24 57-18x24  
  OSL 501 54-18x24 57-18x24  
  OSL 502 54-18x24 57-18x24  
  OSL 503 56-18x24 57-18x24  
  OSL 504 54-18x24 57-18x24  
  OSL 505 56-18x24 57-18x24  
  OSL 506 56-18x24 57-18x24  
  OSL 507 56-18x24 57-18x24  
  OSL 508 56-18x24 57-18x24  
  OSL 509 56-18x24 57-18x24  
  OSL 510 56-18x24 57-18x24  
  OSL 511 56-18x24 57-18x24  
  OSL 512 54-18x24 57-18x24  
  OSL 513 54-18x24 57-18x24  
  OSL 514 54-18x24 57-18x24  
  OSL 515 54-18x24 57-18x24  
  OSL 516 54-18x24 57-18x24  
  OSL 517 54-18x24 57-18x24  
  OSL 518 56-18x24 57-18x24  
  OSL 519 56-18x24 57-18x24  
  OSL 520 56-18x24 57-18x24  
  OSL 521 63-18x24 57-18x24  
  OSL 522 63-18x24 57-18x24  
  OSL 523 54-18x24 57-18x24 Feb 1894 UP
  OSL 524 63-18x24 57-18x24 Feb 1898 OSL
  OSL 525 56-18x24 57-18x24 Mar 1898

Notes:

1.

OSL 500 was built as UPRR 140 (2nd) in 1874; to UPRy 140 in 1880; to OSLRy 14 in 1882; to OSLRy 969 in 1885; to OSL&UN 969 in 1889; to OSL 500 in 1897; work began in 1898 to recondition OSL 500 for service as Utah & Pacific RR number 2, work not accepted by U&P (may have become U&P 4; U&P sold to OSL in April 1901); scrapped by OSL in September 1901, possibly after being wrecked. (from OSL account books, per Pitchard research)

2.

OSL 501 was built as UPRR 139 (2nd) in 1874; to UPRy 139 in 1880; to OSLRy 15 in 1882; to OSLRy 970 in 1885; to OSL&UN 970 in 1889; to OSL 501 in 1897; scrapped by OSL in September 1901 (from OSL account books, per Pitchard research)

3.

OSL 502 was built as UPRy 54 (2nd) in 1882; to Salt Lake & Western Railway 1 in 1882; to SL&W 984 in 1885; to OSL&UN 984 in 1889; to OSL 502 in 1897; vacated in 1905

4.

OSL 503 was built as UPRy 235 in 1881; to OSLRy 11 in 1882; to OSLRy 966 in 1885; to OSL&UN 966 in 1889; to OSL 503 in 1897; sold to U. S. Reclamation Service number 2 at Boise, Idaho in 1911

5.

OSL 504 was built as UPRR 134 (2nd) in 1874; to UPRy 134 in 1880; to OSLRy 16 in 1883; to OSLRy 971 in 1885; to OSL&UN 971 in 1889; to OSL 504 in 1897; vacated in 1899; sold to Pacific & Idaho Northern Railway 101 in August 1899

6.

OSL 505 was built as UPRy 123 in 1882; to OSLRy 13 in 1882; to OSLRy 968 in 1885; to OSL&UN 968 in 1889; to OSL 505 in 1897; to Utah & Pacific number 2 in 1898; U&P sold to OSL in April 1901; to OSL 505 in 1901; wrecked and scrapped in 1908 (possibly renumbered to OSL 1008 in 1901)

7.

OSL 506 was built as UPRy 55 (2nd) in 1882; to OSLRy 7 in 1882; to OSLRy 964 in 1885; to OSL&UN 964 in 1889; to OSL 506 in 1897; vacated between 1900 and 1905

8.

OSL 507 was built as UPRy 49 in 1882; to OSLRy 12 in 1882; to OSLRy 967 in 1885; to OSL&UN 967 in 1889; to OSL 507 in 1897; to Utah & Pacific number 1 in September 1898; U&P sold to OSL in April 1901; to OSL 507 in 1901; to SPLA&SL 52 in 1903; vacated before 1914 (U&P information from Salt Lake Daily Tribune, September 29, 1898) (possibly renumbered to OSL 1007 in 1901)

12. OSL 508 was built as UPRy 199 in 1880; to OSLRy 28 in 1883; to OSLRy 977 in 1885; to OSL&UN 977 in 1889; to OSL 508 in 1897; vacated in 1900; out of service at Salt Lake City in mid June 1900 (see Salt Lake Tribune, June 14, 1900); scrapped by OSL in March 1902 (from OSL account books, per Pitchard research)
10.

OSL 509 was built as UPRy 234 in 1881; to OSLRy 17 in 1883; to OSL&UN 972 in 1889; to OSL 509 in 1897; scrapped by OSL in October 1901 (from OSL account books, per Pitchard research)

11.

OSL 510 was built as UPRy 246 (1st) in 1881; to OSLRy 18 in 1883; to OSLRy 973 in 1885; to OSL&UN 973 in 1889; to OSL 510 in 1897; vacated in 1901

9.

OSL 511 was built as UPRR 184 in 1879; to UPRy 184 in 1880; to OSLRy 22 in 1883; to OSLRy 975 in 1885; to OSL&UN 975 in 1889; to OSL 511 in 1897; vacated in 1916; scrapped

13.

OSL 512 was built as UPRR 133 (2nd) in 1874; to UPRy 133 in 1880; to OSLRy 21 in 1883; to OSLRy 974 in 1885; to OSL&UN 974 in 1889; to OSL 512 in 1897; to Utah & Pacific number 3 in December 1898; U&P sold to OSL in April 1901; to OSL 512 in 1901; to SPLA&SL 53 in 1903; to LA&SL 53 in 1916; scrapped in November 1918 (U&P information from from OSL account books, per Pitchard research) (possibly renumbered to OSL 1009 in 1901)

14.

OSL 513 was built as Utah Southern RR 6 in 1881; to Utah Central Railway 12 in 1881; to OSL&UN 1027 in 1889; to OSL 513 in 1897; vacated in 1908

15.

OSL 514 was built as Utah Southern RR 7 in 1881; to UCRy 13 in 1881; to OSL&UN 1028 in 1889; rebuilt to OSL 514 in 1897; to SPLA&SL 54 in 1903; vacated in 1914

16.

OSL 515 was ordered as UPRy 54 (1st), changed to Utah Central Railway 19 upon delivery in 1882; to OSL&UN 1029 in 1889; to OSL 515 in 1897; sold to Boise, Nampa & Owyhee Railway in August 1899 for $4,000.00; to Idaho Northern Railway in 1907; vacated before 1909 (BN&O sale information from OSL account books, per Pitchard research)

17.

OSL 516 was ordered as UPRy 55 (1st), changed to Utah Central Railway 20 upon delivery in 1882; to OSL&UN 1030 in 1889; to OSL 516 in 1897; scrapped by OSL in December 1900 (from OSL account books, per Pitchard research)

18.

OSL 517 was built as UPRy 65 in 1882; to Utah Central Railway 22 in 1883; to OSL&UN 1031 in 1889; to OSL 517 in 1897; to SPLA&SL 55 in 1903; vacated before 1914

19.

OSL 518 was built as UPRy 51 in 1882; to OSLRy 8 in 1882; to OSLRy 965 in 1885; to OSL&UN 965 in 1889; to OSL 518 in 1897; to SPLA&SL 56 in 1903; sold to Bakersfield & Ventura Railway number 1 (Oxnard, California) on June 9, 1905; scrapped in 1906

20.

OSL 519 was built as OSLRy 31 in 1883; to OSLRy 979 in 1885; to OSL&UN 979 in 1889; to OSL 519 in 1897; sold to Pacific & Idaho Northern Railway in October 1900 for $4,000.00. (from OSL account books, per Pitchard research) (Robertson, Volume 2, page 226, says OSL 504 to P&IN 101 on August 3, 1899; does not show any reference to ex OSL 519; P&IN operations began on December 30, 1899, which infers that OSL 504 was used by P&IN for construction in August 1899, with OSL 519 being sold to P&IN at the later 1900 date)

21.

OSL 520 was built as OSLRy 32 in 1883; to OSLRy 980 in 1885; to OSL&UN 980 in 1889; to OSL 520 in 1897; sold to U. S. Reclamation Service number 3 at Boise, Idaho in 1914

22.

OSL 521 was built as OSLRy 33 in 1883; to OSLRy 981 in 1885; to OSL&UN 981 in 1889; to OSL 521 in 1897; vacated in 1916

23.

OSL 522 was built as OSLRy 34 in 1883; to OSLRy 982 in 1885; to OSL&UN 982 in 1889; to OSL 522 in 1897; to SPLA&SL 57 in 1903; to LA&SL 57 in 1916; assigned LA&SL 1590, but not renumbered; vacated 1922.

24.

OSL 523 was built as UPRR 107 in 1868; to UPRy 107 in 1880; to UPRy 907 in 1885; transferred to OSL&UN ownership as OSL&UN 907 before 1894; rebuilt in February 1894 with 57 inch drivers; to OSL 523 in 1897; to SPLA&SL 58 in 1903; wrecked in April 1906 and scrapped

25.

OSL 524 was built as OSLRy 35 in 1883; to OSLRy 983 in 1885; to OSL&UN 983 in 1889; to OSL 524 in 1897; to UP 1500 in 1915; vacated in 1922

26. OSL 525 was built as OSLRy 30 in 1883; to OSLRy 978 in 1885; to OSL&UN 978 in 1889; to OSL 525 in 1897; to OSL 1501 in 1915; vacated in 1921 (OSL 1900 list shows "new" date of March 1898)
 

OSL 4-6-0 — 1 locomotive

1913 OSL
Number
First
Number
Date TO
OSL
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 526 INRy 101 Jan 1913 Baldwin 30556 Apr 1907 OSL 1502 1

Description:

Drive Wheel Diameter: 54 inches
Cylinders: 18x24 inches

General Notes:

a. Idaho Northern Railway was sold to OSL on December 31, 1912; merged with OSL on January 6, 1913 (click here for more INRy information)

Notes:

1. OSL 526 was built as Idaho Northern Railway 101 in 1907; to OSL 526 in 1913; to OSL 1502 in 1915 (leased to Saratoga & Encampment 1917-1919); vacated in 1925
 

OSL 0-6-0 — 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 530 Lima 1415 Aug 1914 OSL 4740
OSL 531 Lima 1416 Aug 1914 OSL 4741
OSL 532 Lima 1417 Aug 1914 OSL 4742
OSL 533 Lima 1418 Sep 1914 OSL 4743
OSL 534 Lima 1419 Sep 1914 OSL 4744

Description:

CS Class: S-4
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 2 locomotives (ex Monatna Union)

1897 OSL
Number
First
Number
Date To
OSL
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 550 MURy 107 Oct 1897 New York 504 Sep 1889 OSL 4700 1
OSL 551 MURy 108 Oct 1897 New York 505 Sep 1889 OSL 2044 2

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 18x26 inches

General Notes:

a. Montana Union Railway 107 and 108 sold to OSL in October 1897 (click here for more information about the Montana Union Railway)

Notes:

1. OSL 550 was built as Montana Union Railway 107 in 1889; to OSL 550 in 1897; to OSL 4700 in 1915; rebuilt to 0-6-0T 010998 in October 1924, used by LA&SL at Las Vegas, then by OSL at Pocatello; scrapped in March 1947
2.

OSL 551 was built as Montana Union Railway 108 in 1889; to OSL 551 in 1897; rebuilt in 1914 to OSL Roadway Equipment 0-6-0T 2044; renumbered in 1922 to OSL shop switcher 02089, assigned to Pocatello, Idaho; scrapped in April 1940.

 

OSL 0-6-0 — 2 locomotives

OSL
Number
First
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 552 OSL 560 (1st) Baldwin 18764 Mar 1901 OSL 4701 1
OSL 553 OSL 561 (1st) Baldwin 19087 Jun 1901 OSL 4702 2

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

Notes:

1. OSL 552 was built as OSL 560 (1st) in 1901; to OSL 552 in 1908; to OSL 4701 in 1915; vacated in 1926
2. OSL 553 was built as OSL 561 (1st) in 1901; to OSL 553 in 1908; to OSL 4702 in 1915; vacated in 1926
 

OSL 0-6-0 — 2 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 558 Brooks 45070 Mar 1908 OSL 4703
OSL 559 Brooks 45071 Mar 1908 OSL 4704

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 2 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1908 OSL
Number
Notes
OSL 560 (1st) Baldwin 18764 Mar 1901 OSL 552 1
OSL 561 (1st) Baldwin 19087 Jun 1901 OSL 553 2

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

Notes:

1. Built as OSL 560 (1st) in 1901; to OSL 552 in 1908; to OSL 4701 in 1915; vacated in 1926
2. Built as OSL 561 (1st) in 1901; to OSL 553 in 1908; to OSL 4702 in 1915; vacated in 1926
 

OSL 0-6-0 — 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 560 (2nd) Brooks 45072 Mar 1908 OSL 4705
OSL 561 (2nd) Brooks 45073 Mar 1908 OSL 4706
OSL 562 Brooks 45074 Mar 1908 OSL 4707
OSL 563 Brooks 45075 Mar 1908 OSL 4708
OSL 564 Brooks 45076 Mar 1908 OSL 4709

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 565 Baldwin 27672 Mar 1906 OSL 4710
OSL 566 Baldwin 27673 Mar 1906 OSL 4711
OSL 567 Baldwin 27697 Mar 1906 OSL 4712
OSL 568 Baldwin 27751 Mar 1906 OSL 4713

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 569 Baldwin 29038 Sep 1906 OSL 4714
OSL 570 Baldwin 29039 Sep 1906 OSL 4715
OSL 571 Baldwin 29040 Sep 1906 OSL 4716
OSL 572 Baldwin 29050 Sep 1906 OSL 4717

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 573 Baldwin 30551 Apr 1907 OSL 4718
OSL 574 Baldwin 30573 Apr 1907 OSL 4719
OSL 575 Baldwin 30581 Apr 1907 OSL 4720
OSL 576 Baldwin 30608 Apr 1907 OSL 4721

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 3 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 580 Baldwin 18715 Mar 1901 OSL 4722
OSL 581 Baldwin 18716 Mar 1901 OSL 4723
OSL 582 Baldwin 18717 Mar 1901 OSL 4724

Description:

CS Class: S-2
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 0-6-0 — 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 583 Cooke 2640 Jan 1901 OSL 4725
OSL 584 Cooke 2641 Jan 1901 OSL 4726
OSL 585 Cooke 2642 Jan 1901 OSL 4727
OSL 586 Cooke 2643 Jan 1901 OSL 4728
OSL 587 Cooke 2644 Jan 1901 OSL 4729

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 21x26 inches

OSL 0-6-0 — 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 588 Baldwin 23706 Feb 1904 OSL 4730
OSL 589 Baldwin 23707 Feb 1904 OSL 4731
OSL 590 Baldwin 23726 Feb 1904 OSL 4732
OSL 591 Baldwin 23727 Feb 1904 OSL 4733
OSL 592 Baldwin 23843 Mar 1904 OSL 4734

Description:

CS Class: S-1
Drive Wheel Diameter: 57 inches

OSL 0-6-0 — 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 593 Baldwin 38056 Jul 1912 OSL 4735
OSL 594 Baldwin 38057 Jul 1912 OSL 4736
OSL 595 Baldwin 38058 Jul 1912 OSL 4737
OSL 596 Baldwin 38090 Aug 1912 OSL 4738
OSL 597 Baldwin 38091 Aug 1912 OSL 4739

Description:

CS Class: S-3
Drive Wheel Diameter: 51 inches
Cylinders: 19x26 inches

OSL 4-6-0 — 11 locomotives

1897 OSL
Number
First
Number
Builder Builder
Number
Date
Built
Date
Rebuilt
Later
Number
1915 OSL
Number
Notes
OSL 600 OSL&UN 1416 Rhode Island 2475 Nov 1890 1901 OSL 651   1
OSL 601 OSL&UN 1417 Rhode Island 2476 Nov 1890 1900 OSL 652   2
OSL 602 OSL&UN 1418 Rhode Island 2477 Dec 1890     OSL 1503 3
OSL 603 OSL&UN 1419 Rhode Island 2478 Dec 1890     OSL 1504 4
OSL 604 OSL&UN 1420 Rhode Island 2479 Dec 1890 1900 OSL 653   5
OSL 605 OSL&UN 1421 Rhode Island 2480 Dec 1890     OSL 1505 6
OSL 606 OSL&UN 1422 Rhode Island 2481 Dec 1890     OSL 1506 7
OSL 607 OSL&UN 1423 Rhode Island 2482 Dec 1890 1900 OSL 654   8
OSL 608 OSL&UN 1424 Rhode Island 2483 Dec 1890     OSL 1507 9
OSL 609 OSL&UN 1425 Rhode Island 2484 Dec 1890 1902 OSL 680   10
OSL 610 OSL&UN 1426 Rhode Island 2485 Dec 1890 1902 OSL 682   11

General Notes:

a. For the four locomotives rebuilt in 1900-1901 and renumbered to the OSL 650 series, the number-to-number sequence is not confimed.
b. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 600 62-19x24 69-20x26 1901
  OSL 601 62-19x24 69-20x26 1900
  OSL 602 62-19x24    
  OSL 603 62-19x24    
  OSL 604 62-19x24 69-20x26 1900
  OSL 605 62-19x24    
  OSL 606 62-19x24    
  OSL 607 62-19x24 69-20x26 1900
  OSL 608 62-19x24    
  OSL 609 62-19x24 57-19x26 1902
  OSL 610 62-19x24 57-19x26 1902

Notes:

1. OSL 600 was built as OSL&UN 1416 in 1890; to OSL 600 in 1897; rebuilt to OSL 651 in 1901; to OSL 1531 in 1915; vacated in 1927
2. OSL 601 was built as OSL&UN 1417 in 1890; to OSL 601 in 1897; rebuilt to OSL 652 in 1900; to OSL 1532 in 1915; vacated in 1928
3. OSL 602 was built as OSL&UN 1418 in 1890; to OSL 602 in 1897; to OSL 1503 in 1915; vacated in 1926
4. OSL 603 was built as OSL&UN 1419 in 1890; to OSL 603 in 1897; to OSL 1504 in 1915; vacated in 1928
5. OSL 604 was built as OSL&UN 1420 in 1890; to OSL 604 in 1897; rebuilt to OSL 653 in 1900; to OSL 1533 in 1915; vacated in 1928
6. OSL 605 was built as OSL&UN 1421 in 1890; to OSL 605 in 1897; to OSL 1505 in 1915; vacated in 1925
7. OSL 606 was built as OSL&UN 1422 in 1890; to OSL 606 in 1897; to OSL 1506 in 1915; vacated in 1928
8. OSL 607 was built as OSL&UN 1423 in 1890; to OSL 607 in 1897; rebuilt to OSL 654 in 1900; to OSL 1534 in 1915; vacated in 1928
9. OSL 608 was built as OSL&UN 1424 in 1890; to OSL 608 in 1897; to OSL 1507 in 1915; vacated in 1926
10. OSL 609 was built as OSL&UN 1425 in 1890; to OSL 609 in 1897; to OSL 680 in 1902; to OSL 1540 in 1915; vacated in 1923
11. OSL 610 was built as OSL&UN 1426 in 1890; to OSL 610 in 1897; to OSL 682 in 1902; to OSL 1542 in 1915; vacated in 1924
 

OSL 4-6-0 — 6 locomotives (Belpaire fireboxes)

1897 OSL
Number
First
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 611 OSL&UN 1459 Rhode Island 2506 Feb 1891 OSL 1508 1
OSL 612 OSL&UN 1460 Rhode Island 2507 Feb 1891 OSL 1509 2
OSL 613 OSL&UN 1461 Rhode Island 2508 Feb 1891 OSL 1510 3
OSL 614 OSL&UN 1462 Rhode Island 2509 Feb 1891 OSL 1511 4
OSL 615 OSL&UN 1463 Rhode Island 2510 Feb 1891 OSL 1512 5
OSL 616 OSL&UN 1464 Rhode Island 2511 Feb 1891 OSL 1513 6

Description:

Drive Wheel Diameter: 62 inches
Cylinders: 19x24 inches

General Notes:

a. OSL 611-616 were built as OSL&UN 1459-1464 in 1891 with Belpaire fireboxes

Notes:

1. OSL 611 was built as OSL&UN 1459 in 1891; to OSL 611 in 1897; to OSL 1508 in 1915; vacated in 1928
2. OSL 612 was built as OSL&UN 1460 in 1891; to OSL 612 in 1897; to OSL 1509 in 1915; vacated in 1925
3. OSL 613 was built as OSL&UN 1461 in 1891; to OSL 613 in 1897; to OSL 1510 in 1915; vacated in 1925
4. OSL 614 was built as OSL&UN 1462 in 1891; to OSL 614 in 1897; to OSL 1511 in 1915; vacated in 1926
5. OSL 615 was built as OSL&UN 1463 in 1891; to OSL 615 in 1897; to OSL 1512 in 1915; vacated in 1925
6. OSL 616 was built as OSL&UN 1464 in 1891; to OSL 616 in 1897; to OSL 1513 in 1915; vacated in 1923; sold in June 1923 to Columbia Steel Corporation for service on the Carbon County Railway in Utah
 

OSL 4-6-0 — 2 locomotives

1897 OSL
Number
First
Number
Builder Builder
Number
Date
Built
Date
Rebuilt
Later
Number
Notes
OSL 617 OSL&UN 1427 Rhode Island 2486 Dec 1890 1903 OSL 683 1
OSL 618 OSL&UN 1428 Rhode Island 2487 Dec 1890 1901 OSL 659 2

General Notes:

a. For locomotives rebuilt in 1900-1902 and renumbered to the OSL 650 and 680 series, the number-to-number sequence is not confimed.
b. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 617 62-19x24 57-19x26 1903
  OSL 618 62-19x24 69-20x26 1901

Notes:

1. OSL 617 was built as OSL&UN 1427 in 1890; to OSL 617 in 1897; rebuilt to OSL 683 in 1903; to OSL 1543 in 1915; vacated in 1923
2. OSL 618 was built as OSL&UN 1428 in 1890; to OSL 618 in 1897; rebuilt to OSL 659 in 1901; to OSL 1539 in 1915; vacated in 1924
 

OSL 4-6-0 — 18 locomotives

1897 OSL
Number
First
Number
Builder Builder
Number
Date
Built
Later
Number
Date
Vacated
1915 OSL
Number
Notes
OSL 619 OSL&UN 1441 Rhode Island 2488 Jan 1891     OSL 1514 1
OSL 620 OSL&UN 1442 Rhode Island 2489 Dec 1890 OSL 655 1901   2
OSL 621 OSL&UN 1443 Rhode Island 2490 Jan 1891     OSL 1515 3
OSL 622 OSL&UN 1444 Rhode Island 2491 Dec 1890 OSL 656 1901   4
OSL 623 OSL&UN 1445 Rhode Island 2492 Jan 1891     OSL 1516 5
OSL 624 OSL&UN 1446 Rhode Island 2493 Jan 1891     OSL 1517 6
OSL 625 OSL&UN 1447 Rhode Island 2494 Jan 1891     OSL 1518 7
OSL 626 OSL&UN 1448 Rhode Island 2495 Jan 1891 OSL 658 1901   8
OSL 627 OSL&UN 1449 Rhode Island 2496 Jan 1891     OSL 1519 9
OSL 628 OSL&UN 1450 Rhode Island 2497 Jan 1891 OSL 670 1901   10
OSL 629 OSL&UN 1451 Rhode Island 2498 Jan 1891     OSL 1520 11
OSL 630 OSL&UN 1452 Rhode Island 2499 Jan 1891     OSL 1521 12
OSL 631 OSL&UN 1453 Rhode Island 2500 Feb 1891     OSL 1522 13
OSL 632 OSL&UN 1454 Rhode Island 2501 Feb 1891     OSL 1523 14
OSL 633 OSL&UN 1455 Rhode Island 2502 Feb 1891     OSL 1524 15
OSL 634 OSL&UN 1456 Rhode Island 2503 Feb 1891 OSL 681 1902   16
OSL 635 OSL&UN 1457 Rhode Island 2504 Feb 1891     OSL 1525 17
OSL 636 OSL&UN 1458 Rhode Island 2505 Feb 1891     OSL 1526 18

General Notes:

a. For locomotives rebuilt in 1900-1902 and renumbered to the OSL 650 and 680 series, the number-to-number sequence is not confimed.
b. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
Later
Specs.
Date
Rebuilt
  OSL 619 62-19x24 51-19x24 1897    
  OSL 620 62-19x24 69-20x26 1901    
  OSL 621 62-19x24 51-19x24 1897    
  OSL 622 62-19x24 69-20x26 1901    
  OSL 623 62-19x24 51-19x24 1894    
  OSL 624 62-19x24 51-19x24 1894    
  OSL 625 62-19x24 51-19x24      
  OSL 626 62-19x24 69-20x26 1901    
  OSL 627 62-19x24 51-19x24      
  OSL 628 62-19x24 57-22&34x26 (compound) 1901 57-19x26 1907
  OSL 629 62-19x24 51-19x24      
  OSL 630 62-19x24 51-19x24      
  OSL 631 62-19x24 51-19x24      
  OSL 632 62-19x24 51-19x24      
  OSL 633 62-19x24 51-19x24      
  OSL 634 62-19x24 57-19x26 1902    
  OSL 635 62-19x24 51-19x24      
  OSL 636 62-19x24 51-19x24      

Notes:

1. OSL 619 was built as OSL&UN 1441 in 1890; to OSL 619 in 1897; to OSL 1514 in 1915; vacated in 1923
2. OSL 620 was built as OSL&UN 1442 in 1890; to OSL 620 in 1897; rebuilt to OSL 655 in 1901; to OSL 1535 in 1915; vacated in 1927
3. OSL 621 was built as OSL&UN 1443 in 1890; to OSL 621 in 1897; to OSL 1515 in 1915; vacated in 1926
4. OSL 622 was built as OSL&UN 1444 in 1890; to OSL 622 in 1897; rebuilt to OSL 656 in 1901; to OSL 1536 in 1915; vacated in 1925
5. OSL 623 was built as OSL&UN 1445 in 1890; to OSL 623 in 1897; to OSL 1516 in 1915; vacated in 1922
6. OSL 624 was built as OSL&UN 1446 in 1890; to OSL 624 in 1897; to OSL 1517 in 1915; vacated in 1927
7. OSL 625 was built as OSL&UN 1447 in 1890; to OSL 625 in 1897; to OSL 1518 in 1915; vacated in 1924
8. OSL 626 was built as OSL&UN 1448 in 1891; to OSL 626 in 1897; rebuilt to OSL 658 in 1901; to OSL 1538 in 1915; vacated in 1928
9. OSL 627 was built as OSL&UN 1449 in 1890; to OSL 627 in 1897; to OSL 1519 in 1915; vacated in 1924
10. OSL 628 was built as OSL&UN 1450 in 1891; to OSL 628 in 1897; rebuilt to OSL 670 (Richmond Compound, 57-22&34x26) in 1901; rebuilt to OSL 684 (simple, 57-19x26) in 1907; to OSL 1544 in 1915; vacated in 1928
11. OSL 629 was built as OSL&UN 1451 in 1890; to OSL 629 in 1897; to OSL 1520 in 1915; vacated in 1924
12. OSL 630 was built as OSL&UN 1452 in 1890; to OSL 630 in 1897; to OSL 1521 in 1915; vacated in 1922
13. OSL 631 was built as OSL&UN 1453 in 1890; to OSL 631 in 1897; to OSL 1522 in 1915; vacated in 1926
14. OSL 632 was built as OSL&UN 1454 in 1890; to OSL 632 in 1897; to OSL 1523 in 1915; vacated in 1925
15. OSL 633 was built as OSL&UN 1455 in 1890; to OSL 633 in 1897; to OSL 1524 in 1915; vacated in 1925
16. OSL 634 was built as OSL&UN 1456 in 1891; to OSL 634 in 1897; rebuilt to OSL 681 in 1902; to OSL 1541 in 1915; vacated in 1923
17. OSL 635 was built as OSL&UN 1457 in 1890; to OSL 635 in 1897; to OSL 1525 in 1915; vacated in 1924
18. OSL 636 was built as OSL&UN 1458 in 1890; to OSL 636 in 1897; to OSL 1526 in 1915; vacated in 1924
 

OSL 4-6-0 — 6 locomotives

1897 OSL
Number
First
Number
Builder Builder
Number
Date
Built
Later
Number
Date
Rebuilt
1915 OSL
Number
Notes
OSL 637 OSL&UN 1465 Cooke 2071 Oct 1890 OSL 671 1901   1
OSL 638 OSL&UN 1466 Cooke 2072 Oct 1890     OSL 1527 2
OSL 639 OSL&UN 1467 Cooke 2073 Oct 1890 OSL 657 1901   3
OSL 640 OSL&UN 1468 Cooke 2074 Oct 1890 OSL 650 1900   4
OSL 641 OSL&UN 1469 Cooke 2075 Oct 1890     OSL 1528 5
OSL 642 OSL&UN 1470 Cooke 2076 Oct 1890     OSL 1529 6

General Notes:

a. For the two locomotives rebuilt in 1900-1901 and renumbered to the OSL 650 series, the number-to-number sequence is not confimed.
b. Individual locomotive specifications:
  1897 OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
Later
Specs.
Date
Rebuilt
  OSL 637 62-19x24 57-14&24x26 (compound) 1901 57-19x26 1907
  OSL 638 62-19x24 51-19x24 1897    
  OSL 639 62-19x24 69-20x26 Jun 1901    
  OSL 640 62-19x24 69-20x26 Jun 1900    
  OSL 641 62-19x24 51-19x24      
  OSL 642 62-19x24 51-19x24      

Notes:

1. OSL 637 was built as OSL&UN 1465 in 1890; to OSL 637 in 1897; rebuilt to OSL 671 (Vauclain Compound, 57-14/24x26) in 1901; rebuilt to OSL 685 (simple) in 1907; to OSL 1545 in 1915; vacated in 1926
2. OSL 638 was built as OSL&UN 1466 in 1890; to OSL 638 in 1897; to OSL 1527 in 1915; vacated in 1927
3. OSL 639 was built as OSL&UN 1467 in 1890; to OSL 639 in n1897; rebuilt to OSL 657 in 1901; to OSL 1537 in 1915; vacated in 1928
4. OSL 640 was built as OSL&UN 1468 in 1890; to OSL 640 in 1897; rebuilt to OSL 650 in 1900; to OSL 1530 in 1915; vacated in 1936
5. OSL 641 was built as OSL&UN 1469 in 1890; to OSL 641 in 1897; to OSL 1528 in 1915; vacated in 1925
6. OSL 642 was built as OSL&UN 1470 in 1890; to OSL 642 in 1897; sold to Silver Peak Railroad in June 1906; returned to OSL in in November 1909 in exchange for OSL 301; to OSL 1529 in 1915; vacated in 1924
 

OSL 4-6-0 — 3 locomotives

1897 OSL
Number
Builder Builder
Number
Date
Built
1900 Date
"Engine New"
1915 OSL
Number
Notes
OSL 643       Mar 1891    
OSL 644       Mar 1891    
OSL 645       Dec 1890    

General Notes:

a. OSL 643-645 are shown in the 1900 inventory of OSL locomotives; no other reference
 

OSL 4-6-0 — 1 locomotive (rebuilt from 600 Series)

1900 OSL
Number
First
Number
Second
Number
Date To
650 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 650 OSL&UN 1468 OSL 640 Jun 1900 Cooke 2074 Oct 1890 OSL 1530 1

General Notes:

a. The number-to-number sequence from 600 series to 650 series is not confimed.
b. Individual locomotive specifications:
  OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 650 62-19x24 69-20x26 Jun 1900

Notes:

1. OSL 650 was built as OSL&UN 1468 in 1890; to OSL 640 in 1897; rebuilt to OSL 650 in 1900; to OSL 1530 in 1915; vacated in 1936
 

OSL 4-6-0 — 6 locomotives (rebuilt from 600 Series)

1900 OSL
Number
First
Number
Second
Number
Date To
650 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 651 OSL&UN 1416 OSL 600 1901 Rhode Island 2475 Nov 1890 OSL 1531 2
OSL 652 OSL&UN 1417 OSL 601 1900 Rhode Island 2476 Nov 1890 OSL 1532 3
OSL 653 OSL&UN 1420 OSL 604 1900 Rhode Island 2479 Dec 1890 OSL 1533 4
OSL 654 OSL&UN 1423 OSL 607 1900 Rhode Island 2482 Dec 1890 OSL 1534 5
OSL 655 OSL&UN 1442 OSL 620 1901 Rhode Island 2489 Dec 1890 OSL 1535 6
OSL 656 OSL&UN 1444 OSL 622 1901 Rhode Island 2491 Dec 1890 OSL 1536 7

General Notes:

a. The number-to-number sequence from 600 series to 650 series is not confimed.
b. Individual locomotive specifications:
  OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 651 62-19x24 69-18-1/2x26 1901
  OSL 652 62-19x24 69-18-1/2x26 1900
  OSL 653 62-19x24 69-18-1/2x26 1900
  OSL 654 62-19x24 69-18-1/2x26 1900
  OSL 655 62-19x24 69-18-1/2x26 1901
  OSL 656 62-19x24 69-18-1/2x26 1901

Notes:

2. OSL 651 was built as OSL&UN 1416 in 1890; to OSL 600 in 1897; rebuilt to OSL 651 in 1901; to OSL 1531 in 1915; vacated in 1927 (OSL 651 was rebuilt at Pocatello; new drivers cast by OSL in Salt Lake City during June 1900, see Salt Lake Tribune, June 14, 1900)
3. OSL 652 was built as OSL&UN 1417 in 1890; to OSL 601 in 1897; rebuilt to OSL 652 in 1900; to OSL 1532 in 1915; vacated in 1928
4. OSL 653 was built as OSL&UN 1420 in 1890; to OSL 604 in 1897; rebuilt to OSL 653 in 1900; to OSL 1533 in 1915; vacated in 1928
5. OSL 654 was built as OSL&UN 1423 in 1890; to OSL 607 in 1897; rebuilt to OSL 654 in 1900; to OSL 1534 in 1915; vacated in 1928
6. OSL 655 was built as OSL&UN 1442 in 1890; to OSL 620 in 1897; rebuilt to OSL 655 in 1901; to OSL 1535 in 1915; vacated in 1927
7. OSL 656 was built as OSL&UN 1444 in 1890; to OSL 622 in 1897; rebuilt to OSL 656 in 1901; to OSL 1536 in 1915; vacated in 1925
 

OSL 4-6-0 — 1 locomotive (rebuilt from 600 Series)

1901 OSL
Number
First
Number
Second
Number
Date To
650 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 657 OSL&UN 1467 OSL 639 Jun 1901 Cooke 2073 Oct 1890 OSL 1537 1

General Notes:

a. The number-to-number sequence from 600 series to 650 series is not confimed.
b. Individual locomotive specifications:
  OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 657 62-19x24 69-18-1/2x26 Jun 1901

Notes:

1. OSL 657 was built as OSL&UN 1467 in 1890; to OSL 639 in 1897; rebuilt to OSL 657 in 1901; to OSL 1537 in 1915; vacated in 1928
 

OSL 4-6-0 — 2 locomotives (rebuilt from 600 Series)

1901 OSL
Number
First
Number
Second
Number
Date To
650 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 658 OSL&UN 1448 OSL 626 1901 Rhode Island 2495 Jan 1891 OSL 1538 9
OSL 659 OSL&UN 1428 OSL 618 1901 Rhode Island 2487 Dec 1890 OSL 1539 10

General Notes:

a. The number-to-number sequence from 600 series to 650 series is not confimed.
b. Individual locomotive specifications:
  OSL
Number
As Built
Specs.
Later
Specs.
Date
Rebuilt
  OSL 658 62-19x24 69-18-1/2x26 1901
  OSL 659 62-19x24 69-18-1/2x26 1901

Notes:

1. OSL 658 was built as OSL&UN 1448 in 1891; to OSL 626 in 1897; rebuilt to OSL 658 in 1901; to OSL 1538 in 1915; vacated in 1928
2. OSL 659 was built as OSL&UN 1428 in 1890; to OSL 618 in 1897; rebuilt to OSL 659 in 1901; to OSL 1539 in 1915; vacated in 1924
 

OSL 4-6-0 — 2 locomotives (compound cylinders)

1901 OSL
Number
First
Number
Second
Number
Date Rebuilt
To Compound
Builder Builder
Number
Date
Built
Later
Number
Date Rebuilt
To Simple
Notes
OSL 670 OSL&UN 1450 OSL 628 1901 Rhode Island 2497 Jan 1891 OSL 684 1907 1
OSL 671 OSL&UN 1465 OSL 637 1901 Cooke 2071 Oct 1890 OSL 685 1907 2

General Notes:

a. Individual locomotive specifications:
  OSL
Number
As Built
Specs.
Compound
Cylinders
Date To
Compound
Simpled
Cylinders
Date To
Simple
  OSL 670 62-19x24 57-22&34x26 1901 57-19-1/2x26 1907
  OSL 671 62-19x24 57-14&24x26 1901 57-19-1/2x26 1907

Notes:

1. OSL 670 was built as OSL&UN 1450 in 1891; to OSL 628 in 1897; rebuilt to OSL 670 (Richmond compound, 57-22&34x26) in 1901; rebuilt to OSL 684 (simple) in 1907; to OSL 1544 in 1915; vacated in 1928
2. OSL 671 was built as OSL&UN 1465 in 1891; to OSL 637 in 1897; rebuilt to OSL 671 (Vauclain compound, 57-14&24x26) in 1901; rebuilt to OSL 685 (simple) in 1907; to OSL 1545 in 1915; vacated in 1926
 

OSL 4-6-0 — 3 locomotives (rebuilt from 600 Series)

1902 OSL
Number
First
Number
Second
Number
Date To
680 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 680 OSL&UN 1425 OSL 609 1902 Rhode Island 2484 Dec 1890 OSL 1540 1
OSL 681 OSL&UN 1456 OSL 634 1902 Rhode Island 2503 Feb 1891 OSL 1541 2
OSL 682 OSL&UN 1426 OSL 610 1902 Rhode Island 2485 Dec 1890 OSL 1542 3
OSL 683 OSL&UN 1427 OSL 617 1903 Rhode Island 2486 Dec 1890 OSL 1543 4

Description:

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1902)
Cylinders: 19-1/2x26 inches (rebuilt from 19x24 inches in 1902)

Notes:

1. OSL 680 was built as OSL&UN 1425 in 1890; to OSL 609 in 1897; to OSL 680 in 1902; to OSL 1540 in 1915; vacated in 1923
2. OSL 681 was built as OSL&UN 1456 in 1891; to OSL 634 in 1897; rebuilt to OSL 681 in 1902; to OSL 1541 in 1915; vacated in 1923
3. OSL 682 was built as OSL&UN 1426 in 1890; to OSL 610 in 1897; to OSL 682 in 1902; to OSL 1542 in 1915; vacated in 1924
 

OSL 4-6-0 — 1 locomotives (rebuilt from 600 Series)

1902 OSL
Number
First
Number
Second
Number
Date To
680 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 683 OSL&UN 1427 OSL 617 1903 Rhode Island 2486 Dec 1890 OSL 1543 1

Description:

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1903)
Cylinders: 18-1/2x26 inches (rebuilt from 19x24 inches in 1903)

Notes:

1. OSL 683 was built as OSL&UN 1427 in 1890; to OSL 617 in 1897; rebuilt to OSL 683 in 1902-1903; to OSL 1543 in 1915; vacated in 1926
 

OSL 4-6-0 — 1 locomotives (simple, rebuilt from compound)

1907 OSL
Number
First
Number
Second
Number
Third
Number
Date To
680 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 684 OSL&UN 1450 OSL 628 OSL 670 1907 Rhode Island 2497 Jan 1891 OSL 1544 1

Description:

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1901)
Cylinders: 18-1/2x26 inches (rebuilt from 22&34x26 compound in 1907)

Notes:

1. OSL 684 was built as OSL&UN 1450 in 1891; to OSL 628 in 1897; rebuilt to OSL 670 (Richmond compound, 57-22&34x26) in 1901; rebuilt to OSL 684 (simple) in 1907; to OSL 1544 in 1915; vacated in 1928

OSL 4-6-0 — 1 locomotives (simple, rebuilt from compound)

1907 OSL
Number
First
Number
Second
Number
Third
Number
Date To
680 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 685 OSL&UN 1465 OSL 637 OSL 671 1907 Cooke 2071 Oct 1890 OSL 1545 1

Description:

Drive Wheel Diameter: 57 inches (rebuilt from 62 inches in 1901)
Cylinders: 20x26 inches (rebuilt from 14&24x26 compound in 1907)

Notes:

1. OSL 685 was built as OSL&UN 1465 in 1891; to OSL 637 in 1897; rebuilt to OSL 671 (Vauclain compound, 57-14&24x26) in 1901; rebuilt to OSL 685 (simple) in 1907; to OSL 1545 in 1915; vacated in 1923

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