pony engine
The term "pony engine" is versatile and refers to small auxiliary engines or locomotives used for specific tasks, primarily in railroads and machinery.
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Definition
C1Railroads
(technical)A small locomotive used for moving wagons and performing light duties in rail yards.
Example
- The yard master directed the pony engine to move the empty cars to the siding.
C1Machinery
(technical, dated)A small engine used to start a larger engine, commonly found in older tractors and machinery.
Example
- The mechanic used the pony engine to get the old diesel tractor running.
Similar
Terms that have similar or relatively close meanings to "pony engine":
simple enginegas enginepony kegpony glassdiesel enginewater enginesteam enginecrane engineswitch enginepony and trap