The reference for locomotives and railcars


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General Electric U36B, U36C and U34CH
United States | 1969 | 396 produced
A freight train in Darling, Arizona is led by a heavily sooting U36C
A freight train in Darling, Arizona is led by a heavily sooting U36C
Roger Puta

In 1969 GE succeeded in bringing the 7FDL with 16 cylinders to an output of 3,600 hp. The first model was the U36B with only four axles, which was intended for fast freight trains. The Seaboard Coast Line bought 108 of the 125 U36Bs. With a total of 238 units, the U36C, which was suitable for heavier freight trains with six axles, was more successful. Most of the locomotives went to the ATSF and the Ferrocarriles Nacionales de México. The U34CH was a six-axle passenger locomotive with electric train heating. Since the engine had to run constantly at 900 instead of a maximum of 1,050 rpm when the power supply was switched on, the gross power was limited to 3,430 hp. 32 locomotives were built for the New Jersey Department of Transportation and another one was rebuilt from a U30C for the New York MTA.

ManufacturerGeneral Electric
Axle configB-B C-C 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length60 ft 2 in67 ft 3 in
Wheelbase45 ft 6 in54 ft 11 in
Fixed wheelbase9 ft 4 in13 ft
Service weight254,800 lbs364,800 lbs395,500 lbs
Adhesive weight254,800 lbs364,800 lbs395,500 lbs
Axle load63,700 lbs60,800 lbs65,917 lbs
Power sourcediesel-electric
Top speed75 mph70 mph103 mph
Starting effort70,000 lbf91,650 lbf
EngineGE 7FDL-16
Engine typeV16 diesel
Engine output3,600 hp (2,685 kW)
Power Plant
Calculated Values
diesel locomotive
GE Universal
last changed: 04/2023

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