Patent ID: 6564889
Filing Date: 2003-05-20
Classification: B62D

Abstract:
A crawler vehicle comprising: a crawler frame carrying at a front portion thereof a driven wheel and carrying at least one lower idle wheel and an upper idle wheel; a body frame mounted vertically swingably on a pivot shaft at a rear portion of the crawler frame; a working member mounted to a front portion of the body frame; an engine mounted to the body frame; a drive wheel mounted to a rear portion of the body frame; and a crawler belt trained around the drive wheel and the driven wheel; wherein the pivot shaft is positioned forwardly of the lower idle wheel, the drive wheel is positioned rearwardly of the lower idle wheel, the lower idle wheel is positioned at a lower intermediate position between the pivot shaft and the drive wheel, and the upper idle wheel is positioned to support the crawler belt at an upper intermediate position between the pivot shaft and the drive wheel.