EMD SD40-2
The EMD SD40 -2 is a series of six-axle diesel-electric locomotives of the U.S. locomotive manufacturer General Motors Electro-Motive Division (EMD ).
A total of 3,949 machines in this series were produced. This is one of the SD40- 2 to the most built diesel locomotives in the world. From this series, the British Rail Class 59 was derived. Official end of production in 1986, but were still 25 delivered in 1988 and 1989 from the SD40 -2 derived machines to the CP Rail with a wide (Safety) cab and closed vehicle structure as SD40- 2F.
Development
The SD40 -2 is a further development of the EMD SD40 series. Here sat down at EMD first time, a modular construction of the components. EMD offered the soon as Dash 2 (English for line 2) designated series, analogous to its predecessor in three performance classes. In addition to the EMD SD40 -2 ( 3000 hp, 2200 kW) was weaker (EMD SD38 -2 2000 hp, 1,490 kW) and develops a stronger (EMD SD45 -2 3600 hp, 2,650 kW ) Sister series.
Construction
As with the family of locomotives EMD SD38, EMD SD40 EMD SD45 and all three series are built on an identical frame. Thereby, the three series were the same length. Compared to the previous series of this, however, is extended by 0.91 meters. In contrast, the long build-up grew by only 0.41 meters, which is a large overhang of the locomotive frame revealed. In all the Dash 2 series newly developed bogies were installed, which - compared to its predecessors deliver greater pulling power - according to the manufacturer. The SD38 -2 and SD40 -2 use the same diesel engine type EMD 16- 645E3. The type designation EMD 645 means that the engine had a swept volume of 645 cubic inches. The machines from the SD40 -2 and SD38 - 2 had 16- cylinder engines. The engine of the SD 45 on the other hand has 20 cylinders. Due to the longer crankshaft in the 20-cylinder engine of the SD45 or SD45 -2, it always came back to mechanical problems, so that in later reconstructions numerous locomotives of this type were converted to the weaker but more reliable 16- cylinder engine.
SD38 -2, in contrast to the motor of the SD40 -2 is charged, to achieve a higher performance.
The most obvious distinguishing feature of the SD40 -2 when compared with SD 38-2 is the number of roof vents at the end of the vehicle. While the SD38 - 2, only two fans needed, the SD40 -2 was equipped with three fans.
First order
The list of railway companies, the SD 40-2 for the first time introduced into service. Through mergers transferred in part the owners of the machines.
Pictures
Canadian National Railway # 5321, a rebuilt SD40 -2 with a new cab.
Wisconsin and Southern Railroad # 4025, painting for the 25th anniversary of the WSOR.
CP Rail # 9011, one of the supplied SD 1988-1989 40 -2F