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Prototype for /wiki/Union_Pacific_Class_T-57:

Union Pacific Class T-57
Type and origin
Power typeSteam
BuilderCooke Locomotive and Machine Works
Serial number2020-2058, ?
Build date1889-90, ?
Total produced39 (as of 1891)
Specifications
Configuration:
 • Whyte4-6-0
 • UIC2'C'
Gauge4'-8-1/2" (1.435m)
Adhesive weight114,000# (51,710 kgf)
Loco weight148,500# (67,360 kgf)
Tender typeVanderbilt
Fuel typeCoal
Boiler pressure165 PSI (1.140 MPa)
Cylinders2 outside
Cylinder size19" x 24" (0.483m x 0.610m)
Valve gearStephenson
Valve typeSlide
Loco brakeWestinghouse air brake
Train brakesWestinghouse air brake
Performance figures
Tractive effort21,300# (93.4 kN)
Career
Numbers1200-1216, 1222-1225, 1227-1230, 1233-1236, 1239-1247, 1306, 1500-1501, 1540-1561, 1584, 1586-1587, 1733-1741
Delivered1889 (#1200)
Retired1956 (#1243)
DispositionTwo (#1242, 1243) preserved, remainder scrapped

Union Pacific Class T-57 is a model class of 4-6-0 steam locomotives. Manufactured from 1889 for the Union Pacific Railroad by the Cooke Locomotive & Machine Works, Patterson, NJ, USA, these locomotives operated throughout the Union Pacific system, one (#1243) as late as 1956.[1]

The Company, as of 2014, refers to preserved Class T-57 locomotive #1243 as "The Harriman Engine," as it is the only surviving locomotive in the Railroad inventory from the E. H. Harriman presidency.

  1. ^ /UP/steam-wheel-arrangements.php at UtahRails.net. Retrieved 08:40, 5 July 2014 (UTC).

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