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Oregon Short Line (1897 to 1915)

(Return to OSL Steam Locomotive Roster Index)

Part 2, Numbers 720 to 1214

OSL 4-6-0 -- 8 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 720 Cooke 2446 Mar 1899 OSL 1546
OSL 721 Cooke 2447 Mar 1899 OSL 1547
OSL 722 Cooke 2448 Mar 1899 OSL 1548
OSL 723 Cooke 2449 Mar 1899 OSL 1549
OSL 724 Cooke 2450 Mar 1899 OSL 1550
OSL 725 Cooke 2451 Mar 1899 OSL 1551
OSL 726 Cooke 2452 Mar 1899 OSL 1552
OSL 727 Cooke 2453 Mar 1899 OSL 1553

Description:

Drive Wheel Diameter: 57 inches
Cylinders: 20x26 inches

General Notes:

a. Built as OSL 720-727 in 1899; to OSL 1546-1553 in 1915; vacated in 1926-1928
   

OSL 4-6-0 -- 8 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 750 Cooke 2461 Jul 1899 OSL 1554
OSL 751 Cooke 2462 Jul 1899 OSL 1555
OSL 752 Cooke 2463 Jul 1899 OSL 1556
OSL 753 Cooke 2464 Jul 1899 OSL 1557
OSL 754 Cooke 2465 Jul 1899 OSL 1558
OSL 755 Cooke 2466 Jul 1899 OSL 1559
OSL 756 Cooke 2467 Jul 1899 OSL 1560
OSL 757 Cooke 2468 Jul 1899 OSL 1561

Description:

Drive Wheel Diameter: 57 inches
Cylinders: 20x28 inches

General Notes:

a. Built as OSL 750-757 in 1899; to OSL 1554-1561 in 1915; vacated in 1923-1930
   

OSL 2-6-0 -- 8 locomotives (Vauclain compound)

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 770 Baldwin 18610 Jan 1901 OSL 4100
OSL 771 Baldwin 18611 Jan 1901 OSL 4101
OSL 772 Baldwin 18612 Jan 1901 OSL 4102
OSL 773 Baldwin 18613 Jan 1901 OSL 4103
OSL 774 Baldwin 18614 Jan 1901 OSL 4104
OSL 775 Baldwin 18615 Jan 1901 OSL 4105
OSL 776 Baldwin 18636 Jan 1901 OSL 4106
OSL 777 Baldwin 18649 Jan 1901 OSL 4107

Description (as compound):

Drive Wheel Diameter: 57 inches
Cylinders: 15-1/2&26x28 inches

Description (as simple):

Drive Wheel Diameter: 62 inches
Cylinders: 20x28 inches
Valve Gear: Stephenson
Maximum Tractive Effort: 30,709 pounds
Weight on Drivers: 144,000 pounds
Weight in Working Order (Engine Only): 174,750 pounds
Weight in Working Order (Engine and Tender): 293,630 pounds
Fuel: Coal

General Notes:

a. Built in 1901 as OSL 770-777; to OSL 4100-4107 in 1915
b. Built in 1901 as Vaulcain Compound; rebuilt to simple in 1911-1913; dates and locations shown below:
  1915 OSL
Number
Date Rebuilt
To Simple
Rebuild
Location
  OSL 4100    
  OSL 4101    
  OSL 4102 Mar 1913 Ogden
  OSL 4103 Feb 1913 Ogden
  OSL 4104    
  OSL 4105 Mar 1911 Ogden
  OSL 4106 Feb 1913 Pocatello
  OSL 4107 Jan 1913 Pocatello
       

OSL 2-8-0 -- 3 locomotives

1897 OSL
Number
Builder Builder
Number
Date
Built
Date
Vacated
1902 OSL
Number
OSL 800 (1st) Cooke 2373 Nov 1897 1902 OSL 940
OSL 801 (1st) Cooke 2374 Nov 1897 1902 OSL 941
OSL 802 (1st) Cooke 2418 Dec 1898 1902 OSL 942

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 21x28 inches

General Notes:

a. Built as OSL 800-802 (1st) in 1897; renumbered to OSL 940-942 in 1902; renumbered to OSL 500-502 in 1915-1916; assigned to switch service in August 1917 and renumbered to OSL 4745-4747.
   

OSL 4-6-0 -- 10 locomotives (Vauclain Compound)

OSL
Number
First
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 800 (2nd) OSL 400 (2nd) Baldwin 20195 Mar 1902 OSL 1562
OSL 801 (2nd) OSL 401 (2nd) Baldwin 20196 Mar 1902 OSL 1563
OSL 802 (2nd) OSL 402 (2nd) Baldwin 20197 Mar 1902 OSL 1564
OSL 803 OSL 403 (2nd) Baldwin 20198 Mar 1902 OSL 1565
OSL 804 OSL 404 (2nd) Baldwin 20199 Mar 1902 OSL 1566
OSL 805 OSL 405 (2nd) Baldwin 20200 Mar 1902 OSL 1567
OSL 806 OSL 406 Baldwin 20201 Mar 1902 OSL 1568
OSL 807 OSL 407 Baldwin 20246 Apr 1902 OSL 1569
OSL 808 OSL 408 Baldwin 20247 Apr 1902 OSL 1570
OSL 809 OSL 409 Baldwin 20248 Apr 1902 OSL 1571

Description (as Vauclain Compound):

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

Description (as simple):

Drive Wheel Diameter: 73 inches
Cylinders: 20x28 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. 809, delivered as OSL 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 4-6-0 -- 7 locomotives

OSL
Number
Builder Builder
Number
Date
Built
Date
Delivered
1915 OSL
Number
OSL 810 Baldwin 33686 Aug 1909 Sep 1909 OSL 1572
OSL 811 Baldwin 33687 Aug 1909 Sep 1909 OSL 1573
OSL 812 Baldwin 33688 Aug 1909 Sep 1909 OSL 1574
OSL 813 Baldwin 33689 Aug 1909 Sep 1909 OSL 1575
OSL 814 Baldwin 33690 Aug 1909 Oct 1909 OSL 1576
OSL 815 Baldwin 33691 Aug 1909 Oct 1909 OSL 1577
OSL 816 Baldwin 33692 Aug 1909 Oct 1909 OSL 1578

Description:

CS Class: T-2
Drive Wheel Diameter: 69 inches
Cylinders: 22x28 inches

General Notes:

a. Built as OSL 810-816 in 1909; renumbered to OSL 1572-1578 in 1915
   

OSL 4-6-0 -- 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 817 Baldwin 36190 Mar 1911 OSL 1579
OSL 818 Baldwin 36191 Mar 1911 OSL 1580
OSL 819 Baldwin 36192 Mar 1911 OSL 1581
OSL 820 Baldwin 36193 Mar 1911 OSL 1582
OSL 821 Baldwin 36194 Mar 1911 OSL 1583

Description:

CS Class: T-3
Drive Wheel Diameter: 69 inches

General Notes:

a. Built as OSL 817-821 in 1911; renumbered to OSL 1579-1583 in 1915
   

OSL 4-4-2 -- 8 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 850 Baldwin 23561 Jan 1904 OSL 3400
OSL 851 Baldwin 23572 Jan 1904 OSL 3401
OSL 852 Baldwin 23589 Jan 1904 OSL 3402
OSL 853 Baldwin 23590 Jan 1904 OSL 3403
OSL 854 Baldwin 23615 Jan 1904 OSL 3404
OSL 855 Baldwin 23624 Jan 1904 OSL 3405
OSL 856 Baldwin 23645 Jan 1904 OSL 3406
OSL 857 Baldwin 23675 Feb 1904 OSL 3407

Description:

CS Class: A-2
Drive Wheel Diameter: 81 inches
Cylinders: 20x28 inches

General Notes:

a. Built as OSL 850-857 in 1904; renumbered to OSL 3400-3407 in 1915
   

OSL 4-4-2 -- 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 858 Brooks 45035 Mar 1908 OSL 3408
OSL 859 Brooks 45036 Mar 1908 OSL 3409
OSL 860 Brooks 45037 Mar 1908 OSL 3410
OSL 861 Brooks 45038 Mar 1908 OSL 3411

Description:

CS Class: A-2
Cabside Class: A-81
Drive Wheel Diameter: 81 inches
Cylinders: 20x28 inches

General Notes:

a. Built as OSL 858-861 in 1908; renumbered to OSL 3408-3411 in 1915
   

OSL 4-6-2 -- 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 875 Baldwin 27317 Jan 1906 OSL 3100
OSL 876 Baldwin 27318 Jan 1906 OSL 3101
OSL 877 Baldwin 27338 Jan 1906 OSL 3102
OSL 878 Baldwin 27345 Jan 1906 OSL 3103

Description:

CS Class: P-3
Drive Wheel Diameter: 77 inches
Cylinders: 22x28 inches

General Notes:

a. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific
b. Built as OSL 875-878 in 1906; renumbered to OSL 3100-3103 in 1915
c. OSL 875-878 were modified with outside bearing trailing trucks in 1911-1912; work completed at Ogden and Pocatello on the following dates:
  OSL
Number
Date
Modified
Location
  OSL 875 Aug 1912 Ogden
  OSL 876 Jan 1912 Ogden
  OSL 877 Oct 1912 Ogden
  OSL 878 Dec 1911 Pocatello
       

OSL 4-6-2 -- 10 locomotives

1897 OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 879 Baldwin 35833 Jan 1911 OSL 3104
OSL 880 Baldwin 35834 Jan 1911 OSL 3105
OSL 881 Baldwin 35835 Jan 1911 OSL 3106
OSL 882 Baldwin 35836 Jan 1911 OSL 3107
OSL 883 Baldwin 35837 Jan 1911 OSL 3108
OSL 884 Baldwin 35838 Jan 1911 OSL 3109
OSL 885 Baldwin 35839 Jan 1911 OSL 3110
OSL 886 Baldwin 35840 Jan 1911 OSL 3111
OSL 887 Baldwin 35841 Jan 1911 OSL 3112
OSL 888 Baldwin 35842 Jan 1911 OSL 3113

Description:

CS Class: P-6
Drive Wheel Diameter: 77 inches
Cylinders: 22x28 inches

General Notes:

a. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific
   

OSL 4-8-0 -- 7 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1912 OSL
Number
Notes
OSL 900 (1st) Cooke 2469 Oct 1899 OSL 930 1
OSL 901 (1st) Cooke 2470 Oct 1899 OSL 931 2
OSL 902 (1st) Cooke 2471 Oct 1899 OSL 932 3
OSL 903 (1st) Cooke 2472 Oct 1899 OSL 933 4
OSL 904 (1st) Cooke 2475 Oct 1899 OSL 934 5
OSL 905 (1st) Cooke 2495 Nov 1899 OSL 935 6
OSL 906 (1st) Cooke 2496 Nov 1899 OSL 936 7

Description:

Drive Wheel Diameter: 55 inches
Cylinders: 21x30 inches

General Notes:

a. OSL 900-906 (1st) were renumbered to OSL 930-936 in 1912 to clear the 900 series numbers for use by new 4-6-2 locomotives, numbered as OSL 900-909

Notes:

1. Built as OSL 900 (1st) in 1899; to OSL 930 in 1912; to OSL 1850 in 1915; vacated in 1928
2. Built as OSL 901 (1st) in 1899; to OSL 931 in 1912; to OSL 1851 in 1915; vacated in 1926
3. Built as OSL 902 (1st) in 1899; to OSL 932 in 1912; to OSL 1852 in 1915; vacated in 1928
4. Built as OSL 903 (1st) in 1899; to OSL 933 in 1912; to OSL 1853 in 1915; vacated in 1928
5. Built as OSL 904 (1st) in 1899; to OSL 934 in 1912; to OSL 1854 in 1915; vacated in 1926
6. Built as OSL 905 (1st) in 1899; to OSL 935 in 1912; to OSL 1855 in 1915; vacated in 1928
7. Built as OSL 906 (1st) in 1899; to OSL 936 in 1912; to OSL 1856 in 1915; vacated in 1928
   

OSL 4-6-2 -- 10 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 900 (2nd) ALCO-Schenectady 51608 Aug 1912 OSL 3114
OSL 901 (2nd) ALCO-Schenectady 51609 Aug 1912 OSL 3115
OSL 902 (2nd) ALCO-Schenectady 51610 Aug 1912 OSL 3116
OSL 903 (2nd) ALCO-Schenectady 51611 Aug 1912 OSL 3117
OSL 904 (2nd) ALCO-Schenectady 51612 Aug 1912 OSL 3118
OSL 905 (2nd) ALCO-Schenectady 51613 Aug 1912 OSL 3119
OSL 906 (2nd) ALCO-Schenectady 51614 Aug 1912 OSL 3120
OSL 907 ALCO-Schenectady 51615 Aug 1912 OSL 3121
OSL 908 ALCO-Schenectady 51616 Aug 1912 OSL 3122
OSL 909 ALCO-Schenectady 51617 Aug 1912 OSL 3123

Description:

CS Class: P-8
Drive Wheel Diameter: 77 inches
Cylinders: 25x28 inches

General Notes:

a. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific
   

OSL 4-6-2 -- 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 910 ALCO-Brooks 53365 Jun 1913 OSL 3124 1
OSL 911 ALCO-Brooks 53366 Jun 1913 OSL 3125  
OSL 912 ALCO-Brooks 53367 Jun 1913 OSL 3126  
OSL 913 ALCO-Brooks 53368 Jun 1913 OSL 3127  
OSL 914 ALCO-Brooks 53369 Jun 1913 OSL 3128  

Description:

CS Class: P-9
Drive Wheel Diameter: 77 inches
Cylinders: 25x28 inches

General Notes:

a. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific

Notes:

1. Built as OSL 910 in 1913; to OSL 3124 in 1915; to UP 2910 in 1928; vacated in 1953
   

OSL 4-6-2 -- 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 915 Lima 1444 Oct 1914 OSL 3129  
OSL 916 Lima 1445 Oct 1914 OSL 3130 1
OSL 917 Lima 1446 Oct 1914 OSL 3131  
OSL 918 Lima 1447 Oct 1914 OSL 3132  
OSL 919 Lima 1448 Oct 1914 OSL 3133  

Description:

CS Class: P-10
Drive Wheel Diameter: 77 inches
Cylinders: 25x28 inches

General Notes:

a. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific

Notes:

1. Built as OSL 916 in 1914; to OSL 3130 in 1915; to UP 2911 in 1928; vacated in 1953
   

OSL 4-8-0 -- 7 locomotives

1912 OSL
Number
First
Number
Builder Builder
Number
Date
Built
Date To
930 Series
1915 OSL
Number
Notes
OSL 930 OSL 900 (1st) Cooke 2469 Oct 1899 1912 OSL 1850 1
OSL 931 OSL 901 (1st) Cooke 2470 Oct 1899 1912 OSL 1851 2
OSL 932 OSL 902 (1st) Cooke 2471 Oct 1899 1912 OSL 1852 3
OSL 933 OSL 903 (1st) Cooke 2472 Oct 1899 1912 OSL 1853 4
OSL 934 OSL 904 (1st) Cooke 2475 Oct 1899 1912 OSL 1854 5
OSL 935 OSL 905 (1st) Cooke 2495 Nov 1899 1912 OSL 1855 6
OSL 936 OSL 906 (1st) Cooke 2496 Nov 1899 1912 OSL 1856 7

Description:

Drive Wheel Diameter: 55 inches
Cylinders: 21x30 inches

General Notes:

a. OSL 930-936 were renumbered from OSL 900-906 (1st) in 1912 to clear the 900 series numbers for use by new 4-6-2 locomotives, numbered as OSL 900-909

Notes:

1. OSL 930 was built as OSL 900 (1st) in 1899; to OSL 930 in 1912; to OSL 1850 in 1915; vacated in 1928
2. OSL 931 was built as OSL 901 (1st) in 1899; to OSL 931 in 1912; to OSL 1851 in 1915; vacated in 1926
3. OSL 932 was built as OSL 902 (1st) in 1899; to OSL 932 in 1912; to OSL 1852 in 1915; vacated in 1928
4. OSL 933 was built as OSL 903 (1st) in 1899; to OSL 933 in 1912; to OSL 1853 in 1915; vacated in 1928
5. OSL 934 was built as OSL 904 (1st) in 1899; to OSL 934 in 1912; to OSL 1854 in 1915; vacated in 1926
6. OSL 935 was built as OSL 905 (1st) in 1899; to OSL 935 in 1912; to OSL 1855 in 1915; vacated in 1928
7. OSL 936 was built as OSL 906 (1st) in 1899; to OSL 936 in 1912; to OSL 1856 in 1915; vacated in 1928
   

OSL 2-8-0 -- 3 locomotives

1902 OSL
Number
First
Number
Date To
940 Series
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 940 OSL 800 (1st) 1902 Cooke 2373 Nov 1897 OSL 500
OSL 941 OSL 801 (1st) 1902 Cooke 2374 Nov 1897 OSL 501
OSL 942 OSL 802 (1st) 1902 Cooke 2418 Dec 1898 OSL 502

Description:

Drive Wheel Diameter: 51 inches
Cylinders: 21x28 inches

General Notes:

a. OSL 940-942 were built as OSL 800-802 (1st) in 1897; renumbered to OSL 940-942 in 1902; renumbered to OSL 500-502 in 1915-1916; assigned to switch service in August 1917 and renumbered to OSL 4745-4747.
   

OSL 2-8-0 -- 30 locomotives (Vauclain Compound)

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 950 Baldwin 18560 Jan 1901 OSL 510 1
OSL 951 Baldwin 18561 Jan 1901 OSL 511 2
OSL 952 Baldwin 18562 Jan 1901 OSL 512 3
OSL 953 Baldwin 18563 Jan 1901 OSL 513 4
OSL 954 Baldwin 18568 Jan 1901 OSL 514 5
OSL 955 Baldwin 18569 Jan 1901 OSL 515 6
OSL 956 Baldwin 18570 Jan 1901 OSL 516 7
OSL 957 Baldwin 18571 Jan 1901 OSL 517 8
OSL 958 Baldwin 18572 Jan 1901 OSL 518 9
OSL 959 Baldwin 18573 Jan 1901 OSL 519 10
OSL 960 Baldwin 18753 Mar 1901 OSL 520 11
OSL 961 Baldwin 18754 Mar 1901 OSL 521 12
OSL 962 Baldwin 18783 Mar 1901 OSL 522 13
OSL 963 Baldwin 18784 Mar 1901 OSL 523 14
OSL 964 Baldwin 18785 Mar 1901 OSL 524 15

Description:

Drive Wheel Diameter: 55 inches
Valve Gear: (see general note)

General Notes:

a. All 15 locomotives built as Vauclain Compound in 1901; rebuilt to simple in 1911, including new valve gear, as shown below:
  OSL
Number
Specs. As
Compound
Specs. As
Simple
Valve Gear
As Simple
  OSL 950 55-16&27x30 55-21x30 Stephenson
  OSL 951 55-16&27x30 55-21x30 Walschaert
  OSL 952 55-16&27x30 55-21x30 Walschaert
  OSL 953 55-16&27x30 55-21x30 Walschaert
  OSL 954 55-16&27x30 55-21x30 Walschaert
  OSL 955 55-16&27x30 55-21x30 Baker
  OSL 956 55-16&27x30 55-21x30 Walschaert
  OSL 957 55-16&27x30 55-21x30 Baker valve
  OSL 958 55-16&27x30 55-21x30 Baker valve
  OSL 959 55-16&27x30 55-21x30 Walschaert
  OSL 960 55-16&27x30 55-21x30 Walschaert
  OSL 961 55-16&27x30 55-21x30 Walschaert
  OSL 962 55-16&27x30 55-21x30 Walschaert
  OSL 963 55-16&27x30 55-21x30 Walschaert
  OSL 964 55-16&27x30 55-21x30 Baker

Notes:

1. Built as OSL 950 in 1901; to OSL 510 in 1915; vacated in 1931
2. Built as OSL 951 in 1901; to OSL 511 in 1915; vacated in 1933
3. Built as OSL 952 in 1901; to OSL 512 in 1915; vacated in 1956
4. Built as OSL 953 in 1901; to OSL 513 in 1915; vacated in 1955
5. Built as OSL 954 in 1901; to OSL 514 in 1915; vacated in 1933
6. Built as OSL 955 in 1901; to OSL 515 in 1915, vacated in 1930
7. Built as OSL 956 in 1901; to OSL 516 in 1915; vacated in 1933
8. Built as OSL 957 in 1901; to OSL 517 in 1915; vacated in 1933
9. Built as OSL 958 in 1901; to OSL 518 in 1915; vacated in 1947
10. Built as OSL 959 in 1901; to OSL 519 in 1915; vacated in 1931
11. Built as OSL 960 in 1901; to OSL 520 in 1915; vacated in 1933
12. Built as OSL 961 in 1901; to OSL 521 in 1915; vacated in 1930
13. Built as OSL 962 in 1901; to OSL 522 in 1915; vacated in 1930
14. Built as OSL 963 in 1901; to OSL 523 in 1915; vacated in 1951
15. Built as OSL 964 in 1901; to OSL 524 in 1915; vacated in 1947
   

OSL 2-8-0 -- 15 locomotives (Vauclain Compound)

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 965 Baldwin 21642 Feb 1903 OSL 525 1
OSL 966 Baldwin 21643 Feb 1903 OSL 526 2
OSL 967 Baldwin 21655 Feb 1903 OSL 527 3
OSL 968 Baldwin 21660 Feb 1903 OSL 528 4
OSL 969 Baldwin 21672 Feb 1903 OSL 529 5
OSL 970 Baldwin 21709 Feb 1903 OSL 530 6
OSL 971 Baldwin 21715 Feb 1903 OSL 531 7
OSL 972 Baldwin 21754 Mar 1903 OSL 532 8
OSL 973 Baldwin 21755 Mar 1903 OSL 533 9
OSL 974 Baldwin 21764 Mar 1903 OSL 534 10
OSL 975 Baldwin 21790 Mar 1903 OSL 535 11
OSL 976 Baldwin 21801 Mar 1903 OSL 536 12
OSL 977 Baldwin 21814 Mar 1903 OSL 537 13
OSL 978 Baldwin 21846 Mar 1903 OSL 538 14
OSL 979 Baldwin 21890 Mar 1903 OSL 539 15

Description:

Drive Wheel Diameter: 55 inches
Valve Gear: (see general note)

General Notes:

a. All 15 locomotives built as Vauclain Compound in 1903; rebuilt to simple in (?), including new Walschaert valve gear, as shown below:
  OSL
Number
Specs. As
Compound
Specs. As
Simple
  OSL 965 57-16&27x30 57-21-1/2x30
  OSL 966 57-16&27x30 57-21-1/2x30
  OSL 967 57-16&27x30 57-21-1/2x30
  OSL 968 57-16&27x30 57-21-1/2x30
  OSL 969 57-16&27x30 57-21-1/2x30
  OSL 970 57-16&27x30 57-21-1/2x30
  OSL 971 57-16&27x30 57-21-1/2x30
  OSL 972 57-16&27x30 57-21-1/2x30
  OSL 973 57-16&27x30 57-21-1/2x30
  OSL 974 57-16&27x30 57-21-1/2x30
  OSL 975 57-16&27x30 57-21-1/2x30
  OSL 976 57-16&27x30 57-21-1/2x30
  OSL 977 57-16&27x30 57-21-1/2x30
  OSL 978 57-16&27x30 57-21-1/2x30
  OSL 979 57-16&27x30 57-21-1/2x30

Notes:

1. Built as OSL 965 in 1903; to OSL 525 in 1915; vacated in1954
2. Built as OSL 966 in 1903; to OSL 526 in 1915; vacated in 1956
3. Built as OSL 967 in 1903; to OSL 527 in 1915; vacated in 1954
4. Built as OSL 968 in 1903; to OSL 528 in 1915; vacated in 1948
5. Built as OSL 969 in 1903; to OSL 529 in 1915; vacated in 1948
6. Built as OSL 970 in 1903; to OSL 530 in 1915; vacated in 1956
7. Built as OSL 971 in 1903; to OSL 531 in 1915; vacated in 1955
8. Built as OSL 972 in 1903; to OSL 532 in 1915; vacated in 1956
9. Built as OSL 973 in 1903; to OSL 533 in 1915; vacated in 1958
10. Built as OSL 974 in 1903; to OSL 534 in 1915; vacated in 1947
11. Built as OSL 975 in 1903; to OSL 535 in 1915; vacated in 1958
12. Built as OSL 976 in 1903; to OSL 536 in 1915; vacated in 1946
13. Built as OSL 977 in 1903; to OSL 537 in 1915; vacated in 1958
14. Built as OSL 978 in 1903; to OSL 538 in 1915; vacated in 1956
15. Built as OSL 979 in 1903; to OSL 539 in 1915; vacated in 1953
   

OSL 2-8-0 -- 5 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 1000 Cooke 2478 Dec 1899 OSL 550 1
OSL 1001 Cooke 2479 Dec 1899 OSL 551 2
OSL 1002 Cooke 2480 Dec 1899 OSL 552 3
OSL 1003 Cooke 2481 Dec 1899 OSL 553 4

Description:

Drive Wheel Diameter: 55 inches
Cylinders: 21x32 inches

Notes:

1. Built as OSL 1000 in 1899; to OSL 550 in 1915; vacated in 1930
2. Built as OSL 1001 in 1899; to OSL 551 in 1915; vacated in 1930
3. Built as OSL 1002 in 1899; to OSL 552 in 1915; vacated in 1930
4. Built as OSL 1003 in 1899; to OSL 553 in 1915; vacated in 1930
   

OSL 2-8-0 -- 1 locomotive

1897 OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 1004 Cooke 2714 Oct 1901 OSL 554

Description:

Drive Wheel Diameter: 55 inches
Cylinders: 21x32 inches

Notes:

1. Built as OSL 1004 in 1901; to OSL 554 in 1915; vacated in 1930
   

OSL 4-4-0 -- 1 locomotive

SPLA&SL
Number
Previous
Number
Builder Builder
Number
Date
Built
1903 SPLA&SL
Number
Notes
OSL 1007 U&P 1 Taunton 775 Mar 1881 SPLA&SL 52 1

Description:

Drive Wheel Diameter: 57 inches (rebuilt from 54 inches in 1897, except as noted)
Cylinders: 18x24 inches

General Notes:

a. The four U&P locomotives were apparently put back into the OSL roster in 1901 when OSL bought U&P; available roster information by G. M. Best shows that SPLA&SL No. 52 came from OSL 507, the former U&P No. 1, but The Salt Lake Tribune of July 21, 1903 shows that SPLA&SL No. 52 came from OSL No. 1007, which indicates that the U&P engines may have been renumbered into the then-blank OSL series above 1004. (OSL 1004 was a single 2-8-0 delivered from Cooke in October 1901, meaning that the U&P engines were likely renumbered into the OSL 1000-series after October 1901, but before the July 1903 date that the Utah lines were sold to SPLA&SL; OSL 1010-1021 was a group of 2-8-0s delivered by Baldwin in January 1904.)
b. Individual locomotive histories:
  SPLA&SL
Number
First
Number
Second
Number
Third
Number
Fourth
Number
Fifth
Number
Sixth
Number
  OSL 1007 UPRy 49 OSLRy 12 OSLRy 967 OSL&UN 967 OSL 507 U&P 1
               

OSL 2-8-0 -- 59 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 1010 Baldwin 23584 Jan 1904 OSL 560  
OSL 1011 Baldwin 23592 Jan 1904 OSL 561 1
OSL 1012 Baldwin 23623 Feb 1904 OSL 562  
OSL 1013 Baldwin 23629 Jan 1904 OSL 563  
OSL 1014 Baldwin 23646 Jan 1904 OSL 564  
OSL 1015 Baldwin 23653 Jan 1904 OSL 565  
OSL 1016 Baldwin 23668 Feb 1904 OSL 566 2
OSL 1017 Baldwin 23672 Feb 1904 OSL 567  
OSL 1018 Baldwin 23676 Feb 1904 OSL 568  
OSL 1019 Baldwin 23677 Feb 1904 OSL 569  
OSL 1020 Baldwin 23688 Feb 1904 OSL 570  
OSL 1021 Baldwin 23689 Feb 1904 OSL 571  
OSL 1022 Baldwin 27165 Dec 1905 OSL 572  
OSL 1023 Baldwin 27166 Dec 1905 OSL 573  
OSL 1024 Baldwin 27167 Dec 1905 OSL 574  
OSL 1025 Baldwin 27188 Feb 1906 OSL 575  
OSL 1026 Baldwin 27189 Dec 1905 OSL 576  
OSL 1027 Baldwin 27194 Dec 1905 OSL 577  
OSL 1028 Baldwin 27201 Jan 1906 OSL 578  
OSL 1029 Baldwin 27202 Jan 1906 OSL 579  
OSL 1030 Baldwin 27203 Jan 1906 OSL 580  
OSL 1031 Baldwin 27204 Jan 1906 OSL 581  
OSL 1032 Baldwin 28686 Jul 1906 OSL 582  
OSL 1033 Baldwin 28698 Sep 1906 OSL 583  
OSL 1034 Baldwin 28711 Aug 1906 OSL 584  
OSL 1035 Baldwin 28749 Aug 1906 OSL 585  
OSL 1036 Baldwin 28750 Aug 1906 OSL 586  
OSL 1037 Baldwin 28751 Aug 1906 OSL 587  
OSL 1038 Baldwin 28752 Aug 1906 OSL 588  
OSL 1039 Baldwin 28753 Aug 1906 OSL 589  
OSL 1040 Baldwin 28775 Aug 1906 OSL 590  
OSL 1041 Baldwin 28776 Aug 1906 OSL 591 3
OSL 1042 Baldwin 28777 Aug 1906 OSL 592  
OSL 1043 Baldwin 28812 Aug 1906 OSL 593  
OSL 1044 Baldwin 30210 Feb 1907 OSL 594  
OSL 1045 Baldwin 30228 Feb 1907 OSL 595 4
OSL 1046 Baldwin 30229 Feb 1907 OSL 596  
OSL 1047 Baldwin 30230 Feb 1907 OSL 597  
OSL 1048 Baldwin 30231 Feb 1907 OSL 598  
OSL 1049 Baldwin 30232 Feb 1907 OSL 599  
OSL 1050 Baldwin 30241 Feb 1907 OSL 600  
OSL 1051 Baldwin 30242 Feb 1907 OSL 601  
OSL 1052 Baldwin 30243 Feb 1907 OSL 602  
OSL 1053 Baldwin 30244 Feb 1907 OSL 603  
OSL 1054 Baldwin 30856 May 1907 OSL 604  
OSL 1055 Baldwin 30857 May 1907 OSL 605  
OSL 1056 Baldwin 30858 May 1907 OSL 606  
OSL 1057 Baldwin 30874 May 1907 OSL 607  
OSL 1058 Baldwin 30875 May 1907 OSL 608  
OSL 1059 Baldwin 30876 May 1907 OSL 609  
OSL 1060 Baldwin 30877 May 1907 OSL 610  
OSL 1061 Baldwin 30902 May 1907 OSL 611  
OSL 1062 Baldwin 30903 May 1907 OSL 612  
OSL 1063 Baldwin 30904 May 1907 OSL 613  
OSL 1064 Baldwin 31246 Jul 1907 OSL 614  
OSL 1065 Baldwin 31247 Jul 1907 OSL 615  
OSL 1066 Baldwin 31248 Jul 1907 OSL 616 5
OSL 1067 Baldwin 31249 Jul 1907 OSL 617  
OSL 1068 Baldwin 31250 Jul 1907 OSL 618 6

Description:

CS Class: C-2
Drive Wheel Diameter: 57 inches
Cylinders: 22x30 inches

Notes:

1. Built as OSL 1011 in 1904; to OSL 561 in 1915; vacated in 1955; to Pawnee Park,  Columbus,  Nebraska
2. Built as OSL 1016 in 1904; to OSL 566 in 1915; vacated in 1947; sold to Butte, Anaconda & Pacific 31, scrapped by BA&P in January 1953
3. Built as OSL 1041 in 1904; to OSL 591 in 1915; vacated in 1950; sold to Butte, Anaconda & Pacific 33, scrapped by BA&P in January 1953
4. Built as OSL 1045 in 1904; to OSL 595 in 1915; vacated in 1949; sold to Butte, Anaconda & Pacific 32; scrapped by BA&P in January 1953
5. Built as OSL 1066 in 1904; to OSL 616 in 1915; vacated in 1958; was donated to Nampa, Idaho
6. Built as OSL 1068 in 1904; to OSL 618 in 1915; vacated in 1958; was donated to State of Utah; displayed at Utah State Fairgrounds (Read more about OSL 618 at Heber Valley Railroad)
   

OSL 2-8-0 -- 4 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 1069 Alco-Brooks 44974 Jan 1908 OSL 619
OSL 1070 Alco-Brooks 44975 Jan 1908 OSL 620
OSL 1071 Alco-Brooks 44976 Jan 1908 OSL 621
OSL 1072 Alco-Brooks 44977 Jan 1908 OSL 622

Description:

CS Class: C-2
Drive Wheel Diameter: 57 inches
Cylinders: 22x30 inches
 

OSL 2-8-2 -- 15 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
Notes
OSL 1100 Baldwin 36362 Apr 1911 OSL 2000 1
OSL 1101 Baldwin 36363 Apr 1911 OSL 2001  
OSL 1102 Baldwin 36364 Apr 1911 OSL 2002  
OSL 1103 Baldwin 36365 Apr 1911 OSL 2003  
OSL 1104 Baldwin 36366 Apr 1911 OSL 2004  
OSL 1105 Baldwin 36367 Apr 1911 OSL 2005  
OSL 1106 Baldwin 36368 Apr 1911 OSL 2006  
OSL 1107 Baldwin 36369 Apr 1911 OSL 2007  
OSL 1108 Baldwin 36370 Apr 1911 OSL 2008  
OSL 1109 Baldwin 36371 Apr 1911 OSL 2009  
OSL 1110 Baldwin 36277 Mar 1911 OSL 2010  
OSL 1111 Baldwin 36278 Mar 1911 OSL 2011  
OSL 1112 Baldwin 36279 Mar 1911 OSL 2012  
OSL 1113 Baldwin 36280 Mar 1911 OSL 2013  
OSL 1114 Baldwin 36281 Apr 1911 OSL 2014  

Description:

CS Class: MK-1
Drive Wheel Diameter: 57 inches
Cylinders: 23-3/4x30 inches

General Notes:

a. Classes MK-1 and MK-2 were classed as Light Mikado; classes MK-3 through MK10 were classed as Heavy Mikado
b. All MK (Mikado) classes were changed to MacA (MacArthur) classes during World War II.

Notes:

1. Built as OSL 1100 in 1911; to OSL 2000 in 1915; vacated in 1947; sold to Spokane International 2000
   

OSL 2-8-2 -- 20 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 1115 Baldwin 38543 Oct 1912 OSL 2015
OSL 1116 Baldwin 38544 Oct 1912 OSL 2016
OSL 1117 Baldwin 38545 Oct 1912 OSL 2017
OSL 1118 Baldwin 38546 Oct 1912 OSL 2018
OSL 1119 Baldwin 38547 Oct 1912 OSL 2019
OSL 1120 Baldwin 38548 Oct 1912 OSL 2020
OSL 1121 Baldwin 38549 Oct 1912 OSL 2021
OSL 1122 Baldwin 38550 Oct 1912 OSL 2022
OSL 1123 Baldwin 38551 Oct 1912 OSL 2023
OSL 1124 Baldwin 38552 Oct 1912 OSL 2024
OSL 1125 Baldwin 38553 Oct 1912 OSL 2025
OSL 1126 Baldwin 38554 Oct 1912 OSL 2026
OSL 1127 Baldwin 38555 Oct 1912 OSL 2027
OSL 1128 Baldwin 38556 Oct 1912 OSL 2028
OSL 1129 Baldwin 38557 Oct 1912 OSL 2029
OSL 1130 Baldwin 38558 Oct 1912 OSL 2030
OSL 1131 Baldwin 38559 Oct 1912 OSL 2031
OSL 1132 Baldwin 38560 Oct 1912 OSL 2032
OSL 1133 Baldwin 38561 Oct 1912 OSL 2033
OSL 1134 Baldwin 38562 Oct 1912 OSL 2034

Description:

CS Class: MK-2
Drive Wheel Diameter: 57 inches
Cylinders: 23-3/4x30 inches

General Notes:

a. Classes MK-1 and MK-2 were classed as Light Mikado; classes MK-3 through MK10 were classed as Heavy Mikado
b. All MK (Mikado) classes were changed to MacA (MacArthur) classes during World War II.
   

OSL 2-8-2 -- 15 locomotives

OSL
Number
Builder Builder
Number
Date
Built
1915 OSL
Number
OSL 1200 Baldwin 39840 May 1913 OSL 2500
OSL 1201 Baldwin 39841 May 1913 OSL 2501
OSL 1202 Baldwin 39842 May 1913 OSL 2502
OSL 1203 Baldwin 39843 May 1913 OSL 2503
OSL 1204 Baldwin 39844 May 1913 OSL 2504
OSL 1205 Baldwin 39845 May 1913 OSL 2505
OSL 1206 Baldwin 39875 May 1913 OSL 2506
OSL 1207 Baldwin 39876 May 1913 OSL 2507
OSL 1208 Baldwin 39955 Jun 1913 OSL 2508
OSL 1209 Baldwin 39956 Jun 1913 OSL 2509
OSL 1210 Baldwin 39957 Jun 1913 OSL 2510
OSL 1211 Baldwin 39958 Jun 1913 OSL 2511
OSL 1212 Baldwin 39959 Jun 1913 OSL 2512
OSL 1213 Baldwin 39960 Jun 1913 OSL 2513
OSL 1214 Baldwin 39961 Jun 1913 OSL 2514

Description:

CS Class: MK-5
Drive Wheel Diameter: 63 inches
Cylinders: 26x28 inches

General Notes:

a. Classes MK-1 and MK-2 were classed as Light Mikado; classes MK-3 through MK10 were classed as Heavy Mikado
b. All MK (Mikado) classes were changed to MacA (MacArthur) classes during World War II.

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