| 摘要 |
A mobile construction vehicle has a pair of parallel first and second track assemblies. Each track assembly has a continuous drive belt with a plurality of teeth thereon, driven by a drive wheel with a plurality of lugs thereon. The drive belt teeth and drive wheel lugs have substantially identical matching profiles, to provide drive belt retention for preventing the teeth from disengaging from the drive wheel lugs, during a turning maneuver of the vehicle.
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