CRAWLER TRAVELLING DEVICE FOR WORKING VEHICLE

摘要

PROBLEM TO BE SOLVED: To easily maintain a bearing put between a shaft and a ground rolling wheel by enabling the ground rolling wheel to be mantled and dismantled without loosening or removing a crawler belt. SOLUTION: The ground rolling wheel 8 has a structure which can be divided to an inner ground rolling wheel part 8a and an outer ground rolling wheel part 8b. The inner ground rolling wheel part 8a and the outer ground rolling wheel part 8b are separatably connected by connecting tool 19, 20.