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GEC Traction: Merged with Alstom in 1989. Was a subsidiary of General Electric. GE Transportation: Kawasaki: Kingway Rail: Končar: Millennial Motors: Mitsubishi: Nidec Motor Corporation: Perm Motor Power Machines: Electrosila plant Ransomes, Sims & Jefferies: Rosenergomash: Rotem: Rotomac Electricals, India Ruf Automobile: Alois Ruf Ruselprom ...
Also like the P Motors they used advanced nose suspended traction motors and the R-2s were some of the first North American locomotives to make use of the C-C wheel arrangement, which later became the standard for diesel electric road freight. The first R Motor was developed as a response to the Kaufman Act which banned steam locomotive use ...
A ZQDR-410 traction motor (the large, dark component on the axle with small ventilation holes) A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, or electric multiple unit trains.
The converters are water cooled and have individual inverters for each traction motor (Bombardier MITRAC DR 3700F series). [ citation needed ] Power at rail is increased to 7,500 hp (5,600 kW) and top speed is increased to 125 miles per hour (201 km/h), [ 8 ] though NJ Transit limits them to 100.
Baldwin-Westinghouse steeple cab electric locomotives operating as Iowa Traction Railroad (IATR) 50 and 54 in Mason City, Iowa, in 2009. Examples served with the Oshawa Electric Railway in Oshawa, Ontario. These were delivered in the 1920s to provide freight service within the city, serving mainly the General Motors plant. [10]
The MPI HSP46 is a four-axle AC-traction diesel-electric locomotive for commuter trains, designed and assembled by MotivePower.It meets EPA Tier 3 emissions standards. The launch customer is the Massachusetts Bay Transportation Authority (MBTA), whose first unit entered revenue service in April 2014.
The Milwaukee Road was the only railroad to order this design of locomotive from GE. The most remarkable mechanical improvement was arguably the traction motors used on the new locomotives. They were known as bipolar motors, because each of the locomotive's 12 motors had only two field poles, mounted directly to the locomotive frame beside the ...
However, the EF-4 "Little Joes", which were also retrofitted, were more often seen leading diesel electrics than boxcabs, which had by then been largely relegated to the role of helper or bank engine. The maximum speed of an EF-1 as built was 35 miles per hour (56 km/h). Higher speeds led to excessive strain on the traction motor armatures.