| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler traveling device that can suppress crawler disengagement during work, facilitates an installing, uninstalling and replacing operation in a crawler replacement and the like, and can provide a measure of tension adjustment to a crawler. SOLUTION: A lower limit stopper is disposed to limit a downward swing of a movable roller 10. A lower limit position that the lower limit stopper imposes on the movable roller 10 is set in a position where the movable roller 10 is near or in contact with a crawler 2 when the crawler traveling device 1 is lifted off the ground while the crawler 2 is tensioned properly.
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