Draft:EMD SD40-2SS

Type and origin
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Build date	March 1978 – April 1978
Total produced	5

EMD SD40-2SS
EMD SD40-2SS
Power type
Type and origin
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (EMD)
Build date	March 1978 – April 1978
Total produced	5
Gauge
Specifications
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	HTC
Sandbox cap.	56 cu ft (350 imp gal; 420 US gal)
Prime mover	EMD 645E3
RPM:
• Maximum RPM	904
Alternator	GMD18
Generator	Delco A8102
Traction motors	6 x D87
Cylinders	16
Cylinder size	9.02 in × 10 in (229 mm × 254 mm)
Valve gear	62:15
Loco brake	Westinghouse 26L Air brake
Maximum speed
Performance figures
Maximum speed	65 mph (105 km/h)
Power output	3,000 hp (2,200 kW; 2.2 MW)
Tractive effort	Starting: 92,000 lbf (409.24 kN) @25%; Continuous: 82,100 lbf (365.20 kN) lbs @11 mph (18 km/h)
Operators
Career
Operators	Burlington Northern Railroad

The EMD SD40-2SS was a six-axle 3,000-horsepower (2,200-kilowatt; 2.2-megawatt) diesel locomotive built by General Motors Electro-Motive Division (EMD) for the Burlington Northern Railroad between March 1978 and April 1978.