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The Cummins L-series engine is a straight-six diesel engine designed and produced by Cummins. It displaces 8.9 litres (543.1 cu in), and began production in 1982 as the L10 at the Jamestown Engine Plant in Jamestown, New York. After lengthening its stroke from 136 to 147 mm, its displacement was enlarged to 10.8 litres and the engine renamed ...
The NRE 3GS21B is a low-emissions diesel genset locomotive built by National Railway Equipment (NRE). Instead of a single prime mover, the NRE genset locomotive is powered by three separate 700 horsepower (522 kW) Cummins QSK19C engines providing a total power output of 2,100 horsepower (1,570 kW).
If a lower axle load is needed, one engine can be left off. When reduced power is needed, one or more of the engines can be turned off, saving fuel and wear and tear. The QSK19C engine is common to the four variants of the NRE 3GS21C locomotive. The QSK19C engine is widely used for non-railway applications, and spare parts are readily available ...
Cummins L-series engine; Cummins M-series engine; Cummins Quantum Series; Cummins X-series engine This page was last edited on 29 December 2013, at 19:49 (UTC). ...
It joins a fleet of 62 diesel-electric work locomotives on the system. Third rail power is not used because the third rail is normally turned off at work sites for safety reasons. [3] Instead, the R156 is powered by a 6-cylinder, 800 horsepower Cummins QSK 23 diesel engine. [4]
The locomotive was equipped with two 150 hp (110 kW) Cummins diesel engines, each driving a GE 1503 generator which, in turn, drove one of the two GE 733 traction motors, one per truck. In early models, the second axle on each truck was driven with side rods. Later models had chain drives inside the trucks that served the same purpose.
Especially in steam days, wheel arrangement was an important attribute of a locomotive because there were many different types of layout adopted, each wheel being optimised for a different use (often with only some being actually "driven"). Modern diesel and electric locomotives are much more uniform, usually with all axles driven.
The engine blocks for the prime movers were cast in Germany and sent to the Cummins engine plant in Daventry, England, for final machining and assembly. At the end of the manufacturing process, the prime movers were hot tested before being fitted to the locomotives in Boise. [13] The engines meet US tier three emission standards. [14]