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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.
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.
However, there is a manual override switch that allows the engineer to run the engine with all 4,400 hp (3,300 kW) if necessary. As with the C40-9, Norfolk Southern began to upgrade their C40-9W's from 4,000 to 4,400 hp and AC traction in mid-2015, making them AC44C6M's as well. Power output: 4,000 hp (2,980 kW)
Early models were usually powered by a gasoline engine, with either a mechanical drive train or a generator providing electricity to traction motors ("gas-electrics"). In later years, it was common for doodlebugs to be repowered with a diesel engine. Doodlebugs sometimes pulled an unpowered trailer car, but were more often used singly.
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.
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 mainline track gauge is 5 ft 6 in (1,676 mm), significantly wider than the 4 ft 8 + 1 ⁄ 2 in (1,435 mm) standard gauge used on the national passenger and freight railroads and most rapid transit systems in North America. It also uses flat-edge rail, rather than typical rail that angles slightly inward.
Railway electrification as a means of traction emerged at the end of the nineteenth century, although experiments in electric rail have been traced back to the mid-nineteenth century. [1] Thomas Davenport , in Brandon, Vermont , erected a circular model railroad on which ran battery-powered locomotives (or locomotives running on battery-powered ...