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It was subsequently realised that this shaft could be modified as a separate 2-speed gearbox, which would be controlled by a secondary shift lever mounted alongside the main gear shift lever inside the cabin. [2] This resulted in a transmission with a typical 4 speed 'H' pattern shift mechanism, plus an additional 2 speed 'high-low' selector ...
The Dash 8-40CM is powered by a 4,000-horsepower (3,000 kW) 7FDL-16 diesel engine driving a GE GMG187 main alternator.The power generated by the main alternator drives six GE 752AG or 752AH direct current traction motors, each with a gear ratio of 83:20 and connected to 40-inch (1,000 mm) wheels which allow the Dash 8-40CM a maximum speed of 70 mph (110 km/h).
By contrast, EMD built more than 8,000 Dash 2 locomotives. Although the Dash 7 Series failed to surpass the Dash 2 in terms of market share, its 4-stroke engine returned better fuel consumption figures than the 2-stroke engine fitted to GM-EMD locomotives after the 1970s oil crisis. The Dash 7 Series was therefore positively received.
The torque converter of the Corvair offered 2.6:1 reduction at stall, and improved car performance when engine speeds were below ~2000 rpm. When starting out in Drive range, low gear was automatically selected and the low band applied under pressure modulated by a vacuum modulator which sensed engine output and adjusted clutch and band apply ...
Its external appearance is almost the same as that of the later Dash 8-40B model, with the obvious exception of the trucks. The first three Dash 8-39Bs were built for Atchison, Topeka and Santa Fe Railway (ATSF). A fourth example of the model, a GE demonstrator designated as a Dash 8-39BE (or B39-8E), was converted from the original Dash 8 ...
GE Dash 8-41CW (C41-8W), UP 9481. The General Electric Dash 8-41CW or Dash 8-41W (C41-8W) is a variation with the same 16-cylinder engine upgraded to 4,135 hp (3,083 kW). 154 were produced between 1993 and 1994 for both the Union Pacific and Santa Fe (ATSF) railroads, and some Dash 8-40CW units were also uprated to Dash 8-41CW standard by the ...
A GE B39-8 is a 4-axle diesel-electric locomotive built by GE Transportation Systems.It is part of the GE Dash 8 Series of freight locomotives. Following the production of the first three units for the Atchison, Topeka and Santa Fe Railway, GE made many mechanical and electrical improvements that were reflected in a redesigned carbody for the remainder of production; these later units are ...
The Dash 9 Series is a line of diesel locomotives built by GE Transportation. It replaced the Dash 8 Series in the mid-1990s, and was superseded by the Evolution Series in the mid-2000s. Dash 9 series locomotives are some of the most common in the United States.