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Train Engine

how dose a train engine work?

what i need to know is how a train engine work like the difference between how an electric train engine works and a diesel train engine works. And is there a school I could go to to learn this type of thing. Thank you.

Mark makes some good points.

Properly called a "diesel electric" loco, the diesel engine, called the "prime mover" turns a large alternator producing electricity. That electricity is fed to the traction motors hung from the axles of the drive wheels, which through a pinion on the motor and ring gear on the wheel causes the wheels to rotate.

The ratio between the ring and pinion determines the locomotive's top speed. The mos common ratio for freight locomotives is 62:15, yielding a top speed of 72 mph. Passenger locomotives are geared much higher. They can't pull as much tonnage, but their top speed is 80+ and up to 125 mph for traction operations in the Northeast commute corridors.

For a long time, diesel electric locos used Direct Current (DC) to power the traction motors. So it was necessary to have banks of rectifiers to convert the Alternating Current (AC) into DC to power the traction motors. Today, some traction motors do run on AC, so the rectifiers, which were inefficient are no longer needed for this new technology. There are many other benefits as well with regard to AC loco performance. I can sum it up in one word: Awesome.

Electric locomotives, usually referred to simply as "traction," get their power from overhead wires, the "catenary," which is brought to the locomotive through the "pantograph" on the top of the engine. Others run on what is referred to in the US as the "third rail." although many electrified locos utilize four rails. Two on which the trains runs, and two that supply the power.

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LOT OF 5 TRAINS SHELL CAR NH 653 ATSF 07044 SANTA FE ENGINE AUSTRIA ENGINE PA
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Slick Liquid Lube Bearings For Train Oil AIM Etc Model Engine Synthetic Genuine
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Southern Pacific 9725 High Speed no 418 n scale train engine
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N Gauge Train Lot of 56 pcs Engines Cars Mixed Manufactures
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Micro Trains Engine 992 00 132 Northern Pacific EMD FT A B New In Box
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Life Like N scale CANADIAN PACIFIC 4062 locomotive train engine working
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Rare Vintage Lindsay Train Engine Locomotive Stubby Switcher Chassis Brass Wheel
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Lot of 7 N SCALE MINITRIX 2943 PENN CENTRAL 510 TRAIN ENGINE TRIX
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Lot of BACHMANN N SCALE AT SF TRAIN ENGINE 3283 TENDER w extras
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KATO N gauge LONG ENGINE HOUSE Kit 23 300 Train Model New
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Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000011
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TRIX + Atlas + Arnold LOCOMOTIVE TRAIN ENGINE lot N SCALE
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Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000111 B
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1960s Lone Star Train Lot Engine Box Car KCS Made In England Truck Union Pacific
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MINITRIX 1105 COUPLER CONVERSION FROM KADEE MICRO TRAINS 0 6 0 DONKEY ENGINE
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Vtg N Gauge Scale Train Bachmann Amtrak Engine Gerber Car Atlas Cattle Car
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LOT 2 N SCALE TRAIN CARS dummy engine 58 people and telephone poles
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HO Trains 5 engines 18 cars
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CON COR AMTRAK E 851 LOCO TRAIN ENGINE
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BACHMANN N SCALE EMPIRE BUILDER SANTA FE TRAIN SET steam engine freight 24009
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N Scale Model Railroading Steam Engines Locomotives Mikado Trains Etc
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Vintage Bachmann N Gauge 4404 OLD TIMER Steam Engine Electric Train Set Complete
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Train Collectibles Tank Car for Southern Pacific Engine Locomotive 9725 New
Train Collectibles Tank Car for Southern Pacific Engine Locomotive 9725 New
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Train Collectibles Lumber Car for Southern Pacific Engine Locomotive 9725
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Train Collectibles Hopper Car for Southern Pacific Engine Locomotive 9725 New
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LOT OF N SCALE ASSORTED TRAIN FREIGHT Engine caboose
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Power Train N Scale 20 Battery Operated NBD 8689 Construction Engine by Jakks
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Power Train N Scale 20 Battery Operated Pacific RR0831 Freight Engine by Jakks
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n scale model train locomotive engines cars caboose switch track lot
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Lone Star TREBLE O TRAINS Union Pacific 1402a Diesel Engine N Scale 1960 England
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Bachmann N Scale Highballer Train Set Chessie System Chessie CO Engine 7071
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