Technical
The Dash 8-40CW is powered by a 4,000-horsepower (3,000 kW) V16 7FDL diesel engine driving a GE GMG187 main alternator. The power generated by the main alternator drives 6 GE 752AG or 752AH Direct Current traction motors, each with a gear ratio of 83:20 and connected to 40-inch (1,016 mm) wheels which allow the Dash 8-40CW a maximum speed of 70 mph (110 km/h).
Depending on customer options, the Dash 8-40CW carries approximately 5000 US gallons (18927 L) of diesel fuel, 410 US gal (1,552 L) of lubricating oil, and 380 gallons (1,438 L) of coolant. Like most North American diesel locomotives, the Dash 8-40CW uses normal water for cooling. The Dash 8-40CW has a maximum tractive effort of 108,600 lbf (483,000 N) at 11 mph (18 km/h) with the 83:20 gearing. Overall dimensions for the Dash 8-40CW are 70 ft 8 in (21.54 m) in Length, 15 ft 4 in (4.67 m) in Height and 10 ft 2 in (3.10 m) in width.
Read more about this topic: GE Dash 8-40CW
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