Importance

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Abstract

A drive for a tracked vehicle supported by a pair of sprocket-driven tracks that receive divided drive torque from the vehicle engine includes a pair of track differentials that are each associated, respectively, with one of the tracks. Each track includes two separate drive sprockets located, preferably, at the front and rear of the track, and the divided torque delivered to each track differential is further divided between the respective front and rear drive sprockets of each track. The track differentials maintain track wrap about the drive sprockets so that drive torque and spike-like forces generated by the momentary loosening and tightening of the track in response to variations in the terrain are shared between an optimal number of drive sprocket teeth at all times. Drive and shock loads borne by the track lugs are significantly reduced and track life is significantly increased.

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First Claim