| 摘要 |
PROBLEM TO BE SOLVED: To prevent the entrance of earth to an axle insertion hole by a weight and prevent transportation in an overloading state with a weight attached. SOLUTION: In a crawler type running body for a crane, a weight 13 to increase the weight of the running body is removably mounted on a crawler frame 7 with an axle insertion hole 10 of the crawler frame 7 closed from the outside and a protrusion part 19 fitted in the hole 10.
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