EMD SDP45

EMD SDP45
BN 6597, showing the extended long hood aft of the radiators for the steam generator
Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
ModelSDP45
Build dateMay 1967 – August 1970
Total produced52
Specifications
Configuration:
​
 • AARC-C
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Fuel typeDiesel
Prime moverEMD 20-645E3
Engine typeV20 diesel engine
Aspirationturbocharged
Cylinders20
TransmissionDiesel-electric
MU workingYes
Loco brakeIndependent air;
optional: dynamic brakes
Train brakesAir, schedule 26-L
Performance figures
Maximum speed100–109 mph (161–175 km/h)
Power output3,600 hp (2,680 kW)
Career
LocaleNorth America

The SDP45 is a six-axle, C-C, 3,600-horsepower (2,680 kW) diesel-electric locomotive built by General Motors' Electro-Motive Division of La Grange, Illinois. It was a passenger-hauling version of the SD45 on a stretched locomotive frame with an extended, squared-off long hood at the rear, aft of the radiators, giving space for a steam generator for passenger train heating. This steam generator placement followed the pattern set by the SDP35 and SDP40.

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