Union Pacific Steam Locomotives, 1898-1915

General Notes:

1. UP 21-35 were built as Vauclain compounds; not rebuilt to simple prior to being retired 1921 and 1923.
2. From an old issue of Railway Age:
3. The Union Pacific is one of the group of railroads made up of the Southern Pacific, the Oregon Short Line, the Leavenworth, Kansas & Western, the Oregon Railroad and Navigation Company, and the Chicago & Alton, known as the Associated Lines. The Union Pacific have recently obtained from the Baldwin Locomotive Works some 4-4-2 engines of the 4-cylinder balanced type for fast passenger service. One of these interesting engines was exhibited at the Master Mechanics' convention at Atlantic City this year. The design conforms as far as possible in detail to the common standards adopted by the Associated Lines.
4. The engine is built with cylinders 16 and 27x28 ins. The high pressure cylinders are inside and the low pressure are outside. The crossheads are of the alligator type, while the inside ones run in four guide bars. The main valves are of the piston type, 15 ins. in those of the cylinders. The valve gear is the Walschaert motion, actuated by cranks on the main drivers.
5. The driving wheels are 81 ins. in diameter and are placed so close together that their flanges almost touch. The driving wheel base is 84 ins. The rigid wheel base is 15 ft. 9 ins., which takes in the carrying wheels at the back, while the total wheel base of the engine is 27 ft. 10 ins. The weights carried by the various sets of wheels are about 53,000 lbs. on the engine truck, about 46,000 lbs. on the carrying wheels, and about 110,000 lbs. on the drivers, making an estimated total weight of 209,000 lbs. With a boiler pressure of 200 lbs.,the calculated tractive effort of this engine is about 28,400 lbs.

General Notes:

1. UP 100 was delivered after, and as part of the UP-181-199 group as part of the same group of 20 locomotives; its builder number is in sequence after UP 199

General Notes:

1. Classes P-1 through P-6 were classed as Light Pacific; classes P-7 through P-13 were classed as Heavy Pacific
2. UP 145, renumbered to UP 2844, is shown in the Baldwin builder record as number 33707; UP's equipment record (r3-1450) shows UP 2844 as number 33686; Gordon McCulloh's "A History of Union Pacific Steam" matches the UP record, which has been found to be in error.

General Notes:

1. UP 181-199 were delivered before UP 100 as part of the same group of 20 locomotives; the builder number for UP 100 was in sequence after UP 199

General Notes:

1. UP 318-323 were built as Oregon & Washington Railroad 1-6 (1st) in 1908; sold to UP in May 1909 and renumbered to UP 318-323.
2. Oregon & Washington Railroad was incorporated in Oregon in 1906 to build between Portland and Seattle; construction began at Vancouver, Washington (across the Columbia River from Portland) in 1907 and was completed to Seattle in October 1910. (Read more about O&WRR)

Notes:

1. Built as O&W 1 (1st) was built in 1908; to UP 318 in 1909; vacated in 1937
2. Built as O&W 2 (1st) was built in 1908; to UP 319 in 1909; vacated in 1954
3. Built as O&W 3 (1st) was built in 1908; to UP 320 in 1909; vacated in 1947
4. Built as O&W 4 (1st) was built in 1908; to UP 321 in 1909; vacated in 1947
5. Built as O&W 5 was built in 1908; to UP 322 in 1909; vacated in 1953
6. Built as O&W 6 was built in 1908; to UP 323 in 1909; vacated in 1933

General Notes:

1. UP 324-331 were built as Texas & New Orleans Railroad (Galveston Harrisburg & San Antonio Ry) 850-857; transferred to SP's Pacific Lines in 1909-1910; sold to UP in August 1910 and numbered UP 324-331; retained UP 324-331 numbers in 1915 system renumbering

Notes:

1. UP 324 was built as T&NO (GH&SA) 850 in 1908; to SP Pacific Lines in February 1910; to UP 324 in August 1910; vacated in 1957
2. UP 325 was built as T&NO (GH&SA) 851 in 1908; to SP Pacific Lines in February 1910; to UP 325 in August 1910; vacated in 1956
3. UP 326 was built as T&NO (GH&SA) 852 in 1908; to SP Pacific Lines in February 1910; to UP 326 in August 1910; vacated in 1947
4. UP 327 was built as T&NO (GH&SA) 853 in 1908; to SP Pacific Lines in February 1910; to UP 327 in August 1910; returned to SP as GH&SA 831 (2nd) in 1912
5. UP 328 was built as T&NO (GH&SA) 854 in 1908; to SP Pacific Lines in December 1909; to UP 328 in August 1910; vacated in 1953
6. UP 329 was built as T&NO (GH&SA) 855 in 1908; to SP Pacific Lines in December 1909; to UP 329 in August 1910; vacated in 1946
7. UP 330 (2nd) was built as T&NO (GH&SA) 856 in 1908; to SP Pacific Lines in December 1909; to UP 330 in August 1910; vacated in 1947
8. UP 331 was built as T&NO (GH&SA) 857 in 1908; to SP Pacific Lines in December 1909; to UP 331 in August 1910; vacated in 1930

Notes:

1. UP 330 was built as UP 82 in 1868; to UPRy 82 in 1880; to UPRy 330 in 1885; to UP 330 in 1898; vacated in 1903; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois

General Notes:

1. UP 332 and 333 were built as Galveston, Harrisburg & San Antonio Railway 828 (1st) and 831 in 1905; GH&SA 828 (1st) was transferred to SP's Pacific Lines in July 1910; both locomotives sold to UP in September 1910 and renumbered to UP 332, 333.

Notes:

1. UP 332 was built as T&NO (GH&SA) 828 in 1905; to UP 332 in September 1910; vacated in 1957
2. UP 333 was built as T&NO (GH&SA) 831 in 1905; to SP Pacific Lines in July 1910; to UP 333 in September 1910; vacated in 1937

Notes:

1. UP 335 was built as UPRR 143 in 1869; to UPRy 143 in 1880 (new boiler in February 1883); to UPRy 335 in 1885; to UP 335 in 1898; vacated in 1900; scrapped

Notes:

1. UP 338 was built as UPRR 69 in 1868; to UPRy 69 in 1880; to UPRy 338 in 1885; to UP 338 in 1898; vacated in 1899

General Notes:

1. UP 343 became famous as UPRR's locomotive at the golden spike ceremony at Promontory, Utah Territory on May 10, 1869.

Notes:

1. UP 343 was built as UPRR 119 in 1868; to UPRy 119 in 1880; to UP 343 in 1885; to UP 343 in 1898; vacated in 1903

Notes:

1. UP 350 was built as SP 2694 in 1904; to UP 350 in 1910; vacated in 1946
2. UP 351 was built as SP 2695 in 1904; to UP 351 in 1910; vacated in 1948
3. UP 352 was built as SP 2696 in 1904; to UP 352 in 1910; vacated in 1946
4. UP 353 was built as SP 2697 in 1904; to UP 353 in 1910; vacated in 1948
5. UP 354 was built as SP 2744 in 1904; to UP 354 in 1910; vacated in 1933
6. UP 355 was built as SP 2699 in 1904; to UP 355 in 1910; vacated in 1957
7. UP 356 was built as SP 2726 in 1904; to UP 356 in 1910; vacated in 1954
8. UP 357 was built as SP 2737 in 1904; to UP 357 in 1910; vacated in 1957
9. UP 358 was built as SP 2738 in 1904; to UP 358 in 1910; vacated in 1957

General Notes:

1. Individual locomotive specifications

Notes:

1. UP 362 was built as KP 48 in 1870; to UPRy 362 in 1885; to UP 362 in 1898; vacated after 1897
2. UP 363 was built as KP 48 in 1870; to UPRy 363 in 1885; to UP 363 in 1898; vacated after 1897
3. UP 364 was built as KP 58 in 1870; to UPRy 364 in 1885; to UP 364 in 1898; vacated after 1897

Notes:

1. UP 394 was built as UP 131 in 1869; to UPRy 131 in 1880; to UPRy 394 in 1885 (new boiler in October 1881); to UP 394 in 1898; vacated in 1902

Notes:

1. UP 478 was built as KP 85 in 1871; to UPRy 600 (1st) in 1885; to UPRy 425 in 1886; to UPRy 478 in 1888; to UP 478 in 1898; vacated in 1902; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois in August 1902

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 479 was built as UPRR 117 in 1868; to UPRy 117 in 1880; to UPRy 342 in 1885; rebuilt to UPRy 601 (1st) in 1885; to UPRy 479 in 1888; to UP 479 in 1898; vacated in 1899
2. UP 480 was built as UPRR 120 in 1868; to UPRy 120 in 1880; to UPRy 344 in 1885; rebuilt to UPRy 602 (1st) in 1886; to UPRy 480 in 1888; to UP 480 in 1898; vacated in 1903; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois

Notes:

1. UP 482 was built as UPRR 37 in 1867; to UPRy 37 in 1880; to UPRy 650 (1st) in 1885; to UPRy 482 in 1888; to UP 482 in 1898; vacated in 1902; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 483 was built as KP 42 in 1870; to UPRy 651 (1st) in 1885; to UPRy 483 in 1888; to UP 483 in 1898; vacated after 1897
2. UP 484 was built as KP 56 in 1870; to UPRy 652 (1st) in 1885; to UPRy 484 in 1888; to UP 484 in 1898; vacated after 1897; scrapped

Notes:

1. UP 485 was built as UPRR 146 in 1869; to UPRy 146 in 1880; to UP 653 (1st) in 1885; to UPRy 485 in 1888; to UP 485 in 1898; vacated in 1902

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 486 was built as UPRR 156 in 1869; to UPRy 156 in 1880; to UPRy 654 (1st) in 1885; to UPRy 486 in 1888; to UP 486 in 1898; vacated in 1902; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois
2. UP 487 was built as UPRR 158 in 1869; to UPRy 158 in 1880; to UPRy 655 (1st) in 1885; to UPRy 487 in 1888; to UP 487 in 1898; vacated in 1899

Notes:

1. UP 488 was built as UPED 17 in 1867, named "Choctaw" (tender marked "S. M & Co." for Shoemaker, Miller & Company, a contractor used by UPED); to KP 17 in 1869; to UPRy 656 (1st) in 1885; to UPRy 488 in 1888; to UP 488 in 1898; vacated after 1897

Notes:

1. UP 489 was built as UPRR 73 in 1868; to UPRy 73 in 1880; to UPRy 657 (1st) in 1885; to UPRy 489 in 1888; to UP 489 in 1898; vacated in 1901; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois
2. UP 490 was built as UPRR 74 in 1868; to UPRy 74 in 1880; to UPRy 658 (1st) in 1885; to UPRy 490 in 1888; to UP 490 in 1898; vacated in 1905
3. UP 491 was built as UPRR 75 in 1868; to UPRy 75 in 1880; to UPRy 659 (1st) in 1885; to UPRy 491 in 1888; to UP 491 in 1898; vacated in 1905
4. UP 492 was built as UPRR 76 in 1868; to UPRy 76 in 1880; to UPRy 660 (1st) in 1885; to UPRy 492 in 1888; to UP 492 in 1898; vacated in 1901; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois
5. UP 493 was built as UPRR 77 in 1868; to UPRy 77 in 1880; to UPRy 661 (1st) in 1885; to UPRy 493 in 1888; to UP 493 in 1898; vacated in 1899

Notes:

1. UP 494 was built as UPED 13 in 1866, named "Osage" (tender marked "S. M & Co." for Shoemaker, Miller & Company, a contractor used by UPED); to KP 13 in 1869; to UPRy 662 (1st) in 1885; to UPRy 494 in 1888; to UP 494 in 1898; vacated after 1897

Notes:

1. UP 495 was built as KP 78 in 1870; to UPRy 663 (1st) in 1885; to UPRy 495 in 1888; to UP 495 in 1898; vacated after 1898

Notes:

1. UP 496 was built as KP 30 in 1869; to UPRy 664 (1st) in 1885; to UPRy 496 in 1888; to UP 496 in 1898; vacated after 1897

Notes:

1. UP 497 was built as UPED 16 in 1866, named "Seneca" (tender marked "S. M & Co." for Shoemaker, Miller & Company, a contractor used by UPED); to KP 16 in 1869; to UPRy 312 (1st) in 1885; rebuilt to UPRy 665 (1st) in 1886; to UPRy 497 in 1888; to UP 497 in 1898; vacated after 1898

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 498 was built as KP 40 in 1870; to UPRy 345 in 1885; to UPRy 666 (1st) in 1886; to UPRy 498 in 1888; vacated after 1889
2. UP 499 was built as KP 41 in 1870; to UPRy 346 in 1885; to UPRy 667 (1st) in 1886; to UPRy 499 in 1888; vacated after 1898

Notes:

1. UP 500 was built as UPRR 68 in 1868; to UPRy 68 in 1880; to UPRy 500 in 1885; to UP 500 in 1898; vacated in 1901; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois

Notes:

1. UP 502 was built as UPRR 79 in 1868; to Omaha & Republican Valley RR 5 in 1880; to O&RV 502 in 1885; vacated after 1898 (O&RV to UP in 1898)

Notes:

1. UP 503 was built as UPRR 81 in 1868; to UPRy 81 in 1880; to UPRy 503 in 1885; vacated in 1898

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 504 was built as UPRR 84 in 1868; to UPRy 84 in 1880; to UPRy 504 in 1885; to UP 504 in 1898; vacated in 1900
2. UP 505 was built as UPRR 86 in 1868; to UPRy 86 in 1880; to UPRy 505 in 1885; to UP 505 in 1898; vacated in 1899

Notes:

1. UP 506 was built as UPED 26 in 1868, named "Colorado"; to KP 26 in 1869; to UPRy 506 in 1885; vacated after 1897

General Notes:

1. Individual locomotive specifications

Notes:

1. UP 508 was built as KP 90 in 1878; to UPRy 508 in 1885; to UP 508 in 1898; vacated after 1897
2. UP 509 was built as KP 91 in 1878; to UPRy 509 in 1885; to UP 509 in 1898; vacated after 1897
3. UP 510 was built as KP 92 in 1878; to UPRy 510 in 1885; to UP 510 in 1898; vacated after 1897

Notes:

1. UP 511 was built as UPRR 59 in 1868; to UPRy 59 in 1880; to UPRy 511 in 1885; vacated in 1898

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 513 was built as UPRR 63 in 1868; to UPRy 63 in 1880; to UPRy 513 in 1885; vacated in 1898
2. UP 514 was built as UPRR 64 in 1868; to UPRy 64 in 1880; to UPRy 514 in 1885; vacated in 1899

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 515 was built as UPRR 66 in 1868; to UPRy 66 in 1880; to UPRy 515 in 1885; vacated in 1898
2. UP 516 was built as UPRR 67 in 1868; to UPRy 67 in 1880; to UPRy 516 in 1885; to UP 516 in 1898; vacated in 1899

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 517 was built as UPRR 121 in 1868; to UPRy 121 in 1880; to UPRy 517 in 1885; to UP 517 in 1898; vacated in 1901; sold to F. M. Hicks Locomotive and Car Company, Chicago, Illinois
2. UP 518 was built as UPRR 122 in 1868; to UPRy 122 in 1880; to UPRy 518 in 1885; to UP 518 in 1898; vacated in 1898

General Notes:

1. Individual locomotive specifications:

Notes:

1. UP 519 was built as UPRR 141 in 1869; to UPRy 141 in 1880; to UPRy 519 in 1885; to UP 519 in 1898; vacated in 1899
2. UP 520 was built as UPRR 142 in 1869; to UPRy 142 in 1880; to UPRy 520 in 1885; to UP 520 in 1898; vacated in 1899

Notes:

1. UP 527 was built as UPED 20 in 1867, named "Cheyenne"; to KP 20 in 1869; to UPRy 326 in 1885; to UPRy 527 in 1886; to UP 527 in 1898; vacated after 1898

General Notes:

1. Classes MK-1 and MK-2 were classed as Light Mikado; classes MK-3 through MK10 were classed as Heavy Mikado
2. Built as UP 500-529 in 1911; renumbered to UP 1900-1929 in 1915

General Notes:

1. Classes MK-1 and MK-2 were classed as Light Mikado; classes MK-3 through MK10 were classed as Heavy Mikado
2. Built as UP 530-549 in 1912; to UP 1930-1949 in 1915