EMD MP15DC Specifications Configuration: • AAR B-B Gauge 4 ft 8+ 1 ⁄2 in (1,435 mm ) standard gauge Trucks Blomberg B Wheel diameter 40 in (1,016 mm) Minimum curve 55° (107 ft (32.614 m)[ 2] : 0–2 Wheelbase 24 ft 2 in (7.366 m) between bolsters ; 9 ft 0 in (2.743 m) between axles in each truck Length 47 ft 8 in (14.53 m) or 48 ft 8 in (14.83 m) depending on build date[ 1] Width 10 ft 0+ 3 ⁄4 in (3.067 m)Height 15 ft 0 in (4.57 m) Loco weight 248,000 lb (112,493 kg)[ 2] : 0–1 Fuel capacity 1,100 or 1,400 US gal (4,200 or 5,300 L; 920 or 1,170 imp gal) Lubricant cap. 197 or 284 US gal (746 or 1,075 L; 164 or 236 imp gal) Coolant cap. 230 US gal (871 L; 192 imp gal) Sandbox cap. 0.849 or 1.133 m3 (30.0 or 40.0 cu ft) Prime mover EMD 12-645E RPM : • RPM low idle 235 RPM • RPM idle 318±4 RPM (normal) 517±15 RPM (switching 2 mode) • Maximum RPM 904±4 RPM Engine type V12 diesel Aspiration Mechanical Displacement
645 cu in (10.57 L) / cyl
7,740 cu in (126.8 L)
Generator D32 Traction motors 4 × D77/78 DC Cylinders 12 Cylinder size 9+ 1 ⁄16 in × 10 in (230 mm × 254 mm)Gear ratio 62:15
Performance figures Maximum speed 65 mph (104.6 km/h)[ 2] : 0–2 Power output 1,500 hp (1,119 kW) Tractive effort 62,000 lbf (275.79 kN)
The EMD MP15, sometimes referenced as MP15DC , is a 1,500 hp (1,119 kW) diesel–electric road switcher locomotive model produced by General Motors ' Electro-Motive Division between 1974 and 1980. It was equipped with a V12 12-645E engine sporting a Roots blower . The length was either 47 ft 8 in (14.53 m) or 48 ft 8 in (14.83 m) depending on the build date.[ 1]
The early MP15 and the SW1500 were similar in appearance and applications. They were fitted with the same engine in a similar appearance. The primary difference is the MP15's standard Blomberg B trucks .[ 1]