Prime mover
The main power plant in an internal combustion locomotive, as distinct from auxiliary power plants for head-end power, air compressor, and such.
prime mover is used to describe the main power source where the application is complex. For instance, the engine which pulls a semi-trailer is sometimes referred
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Prime Mover
Diesel or gas engine that powers a generator in a locomotive.
Private Car/Business Car ...
When the prime mover of a locomotive fails, the main generator also stops. When this occurs, no electrical power is generated. While the batteries will operate some functions, the cab heaters are not part of that special list.
Prime Mover A V-type diesel with 8 to 20 cylinders rated at about 125 hp per cylinder if normally aspirated or 250 hp per cylinder if Turbo charged.
A head end power system may use either the locomotive's prime mover, or it may use a separate HEP engine generator set installed at the #2 end of the locomotive. Headway Time interval between two following trains.
The era is anytime when steam was the prime mover. The front track is for arrival and departure. We model a platform but the station is theoretical. It is behind you, the railfan. Trains enter and leave via the curve at the right.
A railroad has locomotive shops for repair of its prime movers, and car shops to maintain rolling stock. There is often a separate electrical department for the wiring inside locomotives.
A slug does not have a prime mover, but does have traction motors. Slugs are generally used in yard duty where the switcher has enough horsepower, but not enough tractive force to push long strings of cars up a hump."
Smokestack or Stack ...
As so often happens Americans brought ingenuity into the face of adversity, new design, new technology, envelope expanding prime movers. Hear the story of the beginning of the Streamline Era and learn what it did for America then.
- The first version was a 4,500 h.p. model introduced in 1949. The prime mover was a GE gas-turbine which turned a generator to provide current to eight traction motors. Wheel arrangement was B-B + B-B, the same as the later U50.
 See also: Track, Locomotive, Engine, Switch, Diesel
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