To perform works while being in close proximity from the transverse direction wide in working space, and make operating performance extremely simple.

This invention is related to a crawler belt pad 10 formed out of a plate 1 in a shape almost identical to the outer surface shape of a track shoe made of iron, and of a rubber pad 2 which is vulcanized so as to be bonded with the plate 1, and the crawler belt pad is also formed out of box unts 6 which are welded to the plate 1 so as to be imbedded in the inside of the rubber pad 2, a hook 4 holding the wide end part of the iron made track shoe welded to one end of the plate 11, a female screw member welded to the other end of the plate 1, furthermore, a mounting fitting 17 crossing the wide end part of the iron made track shoe 20 on the side of the female screw member, and of a male screw member fixing the mounting fitting to the female screw member.