EMD SD45

EMD SD45
Great Northern 400 in service at the Minnesota Transportation Museum
Type and origin Power type Diesel Builder General Motors Electro-Motive Division (EMD) Model SD45 Build date Dec. 1965 – Dec. 1971 Total produced 1,260
Specifications Configuration: ​  • AAR C-C Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Length 65 feet 8 inches (20.02 m); 65 feet 9+1⁄2 inches (20.053 m) on some units starting early 1968. Loco weight 368,000 pounds (167,000 kg) Prime mover EMD 20-645E3 Engine type V20 diesel Generator AR10B Cylinders 20
Performance figures Maximum speed 71 miles per hour (114 km/h) Power output 3,600 hp (2,680 kW) Tractive effort Starting: 92,000 lbf (410 kN) Continuous: 82,100 lbf (365 kN) @ 11 mph (18 km/h)
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The SD45 is a six-axle diesel-electric locomotive class built by General Motors Electro-Motive Division between 1965 and 1971. It has an EMD 645E3 twenty-cylinder engine generating 3,600 hp (2,680 kW) on the same frame as the SD38, SD39, SD40, and SDP40. As of 2023, most SD45s have been retired, scrapped or rebuilt to SD40-2 standards.