GE U50

GE U50
U50 #50 on an eastbound freight at Laramie, Wyoming.
Type and origin
Power typeDiesel-electric
BuilderGeneral Electric
ModelU50
Build date1963 - 1965
Total produced26
Specifications
Configuration:
​
 • AARB+B-B+B
Gauge4 ft 8+1⁄2 in (1,435 mm)
Trucks4
Length83 ft 6.5 in (25.46 m)
Fuel typeDiesel
Prime moverDual GE FDL-16
Engine typeDiesel
AspirationTurbocharger
Traction motors8
Cylinders2x V16 Engine
TransmissionDiesel electric
Loco brakeAir Independent Brake, Dynamic brakes
Train brakesWestinghouse air brake
Performance figures
Maximum speed70 mph (110 km/h)
Power output5,000 hp (3,700 kW)
Tractive effortStarting: 160,000 lbf (710 kN)
Continuous: 139,500 lbf (621 kN)
Career
OperatorsUnion Pacific Railroad
Southern Pacific Railroad
NicknamesU-Boats (UP)
Baby Hueys (SP)
LocaleNorth America
Delivered1963 - 1965
Retired1973 - 1977
DispositionAll scrapped

The GE U50 was an eight-axle, 5,000 hp (3,700 kW) diesel-electric locomotive built by GE Transportation. They were twin-engined locomotives, combining two 2,500 hp (1,900 kW) diesel engines on one frame.

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