| 摘要 |
PROBLEM TO BE SOLVED: To provide a travel body with lug excellent in deposition reduction effect of a mud.SOLUTION: A tread 22 of a travel body 20 with lug comprises: plural lugs 34 projecting toward an outside direction; and plural lug bottoms 36. Each of the lug bottoms 36 is disposed between the lugs 34 adjacent in a rotation direction. The lug bottom 36 comprises: plural projections 42 projecting a reference surface BM to the outside; and plural walls 44 projecting from the reference surface BM to outside direction, and bridged between the adjacent projections 42. A gap of the adjacent projections 42 is 1.5 mm or more and less than 3.0 mm. Preferably, a ratio of the height HW of the wall 44 to height of the projection (HW/HN) is 0.20 or more and 0.60 or less. |
