EMD SDP40

An SDP40 is a 6-axle passenger diesel-electric locomotive built by General Motors Electro-Motive Division (EMD) between June 1966 and May 1970.

EMD SDP40
Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
ModelSDP40
Build dateJune 1966 May 1970
Total produced20
Specifications
Configuration:
  AARC-C
  UICCo'Co'
Gauge4 ft 8+12 in (1,435 mm) standard gauge
TrucksFlexicoil C2L
Wheel diameter40 in (1,016 mm)
Minimum curve274 ft (84 m)
Length65 ft 8 in (20.02 m)
over the coupler pulling faces
Width10 ft 0 in (3.05 m)
Height15 ft 5+14 in (4.705 m)
Loco weight370,000 lb (170,000 kg)
Fuel typediesel
Fuel capacity1,800 US gal (6,800 L; 1,500 imp gal)
Lubricant cap.243 US gal (920 L; 202 imp gal)
Coolant cap.295 US gal (1,120 L; 246 imp gal)
Water cap.2,200 US gal (8,300 L; 1,800 imp gal)
Sandbox cap.56 cu ft (1.6 m3)
Fuel consumption167 US gal (630 L; 139 imp gal) per hour
Water consumption45 US gal (170 L; 37 imp gal) per hour
Prime moverEMD 16-645E3
RPM range315-900
Engine typeV16 Two-stroke diesel
AspirationMechanically-assisted turbocharger
Displacement10,320 cu in (169,100 cm3)
AlternatorAR-10
Traction motorsD-77
Cylinders16
TransmissionDiesel-electric transmission
Train heatingSteam generator
Loco brakeIndependent air; optional: dynamic brakes
Train brakesAir, schedule 26-L
Performance figures
Maximum speed83–95 mph (134–153 km/h)
Power output3,000 hp (2,240 kW)
Career
LocaleNorth America
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