half-track

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half-track

[′haf ‚trak]
(mechanical engineering)
A chain-track drive system for a vehicle; consists of an endless metal belt on each side of the vehicle driven by one of two inside sprockets and running on bogie wheels; the revolving belt lays down on the ground a flexible track of cleated steel or hard-rubber plates; the front end of the vehicle is supported by a pair of wheels.
A motor vehicle equipped with half-tracks.