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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.
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
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 ...
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.
The EMD GT26 Locomotive Series made their debut in 1967 after the rise in popularity of the American EMD SD40.Designed to meet most First World, Second World and Third World countries, the GT26 Series were now equipped with a turbocharged high horsepower EMD 645 Series engine as well as six axle HT-C trucks to provide better traction effort at slow speeds.
The EMD SW1500 is a 1,500 hp (1,119 kW) diesel-electric switcher locomotive built by General Motors' Electro-Motive Division from 1966 to 1974. [1] The SW1500 replaced the SW1200 in the EMD product line.
Catskill Mountain Railroad, The in Kingston, NY has an early side rod 45 Tonner in service as both an MOW engine and a pusher for Polar Express and other large event consists. [ 4 ] East Terminal Railway, The in Columbus, Ohio acquired one of these locomotives in August 2021, with plans to restore it to full operation and to use it as its ...
The PRR E44 was an electric, rectifier-equipped locomotive built by General Electric for the Pennsylvania Railroad between 1960 and 1963. The PRR used them for freight service on the Northeast Corridor. They continued in service under Penn Central and Conrail until Conrail abandoned its electric operations in the early 1980s.