| 摘要 |
A positive drive endless rubber track system for the undercarriage of a vehicle, the rubber track including spaced guide lugs projecting inwardly therefrom, the undercarriage including a drive wheel having spaced sprocket pins thereon, idler wheels, and tension adapting wheels around which the endless rubber track is guided and driven by the driving wheel, the drive wheel being attached to the vehicle and having an up-ratio in the range of about 0.5% to about 4.0%.
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