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EMD GP30

EMD GP30
A GP30, GP35, and GP20 run light in the late 1980s on California's Cajon Pass.
NameEMD GP30
PowertypeDiesel-electric
Imagesize300
CaptionA GP30, GP35, and GP20 run light in the late 1980s on California's Cajon Pass.
BuilderGM Electro-Motive Division (EMD)
General Motors Diesel (GMD)
BuildmodelGP30
BuilddateJuly 1961 November 1963
Totalproduction948
AarwheelsB-B
UicclassBo′Bo′
Length56 ft 2 in
Locoweight253000 lb (114.8 t)
FuelcapStandard: 253000 lb (114.8 1,700),
Optional: 2600 usgal (1.2 1,700)
Lubecap200 usgal (0.1 1,700)
Coolantcap240 usgal (0.1 1,700)
Sandcap18 cuft (0.5 m3)
PrimemoverEMD 567D3
EnginetypeTwo-stroke diesel
AspirationTurbocharger
Displacement9072 cuin (148.7 l)
CylindercountV16
Cylindersize8+1/2 x 10 in (203.2 x 254 mm )
TransmissionDC generator, DC traction motors
Topspeed78 mph (125.5 km/h)
Poweroutput2250 hp (3621 kW)
Tractiveeffort63375 lbf (101992.2 kN)
LocobrakesStraight air, optional: dynamic
LocaleNorth America

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The EMD GP30 was a 2,250 hp (1,680 kW) four-axle B-B diesel locomotive built by General Motors Electro-Motive Division of La Grange, Illinois between July, 1961 and November, 1963. 948 examples were built for railroads in the United States and Canada (2 only), including 40 cabless B units for the Union Pacific Railroad.

It was the first so-called "second generation" EMD diesel locomotive, and was produced in response to increased competition by a new entrant, General Electric's U25B, which was released roughly at the same time as the GP30. The GP30 is easily recognizable due to its high profile and stepped cab roof, unique among American locomotives. A number are still in service today in original or rebuilt form.


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