PROBLEM TO BE SOLVED: To improve efficiency of assembly by simplifying a part in the case of providing a braking device in a rear axle housing mounted on both right and left side of a transmission case. ;SOLUTION: A braking device 37 is placed between the axle gear 34 of a speed reduction device 29 and the shaft-supporting part 45 of a rear axle in a rear axle housing 32, and a disc 27 and a plate 28 of the braking device 37 are accommodated in the rear axle housing 32, and a steel ball 52 for pressurizing is inserted between a pressure plate 26 and one side surface of the transmission case 13.;COPYRIGHT: (C)2000,JPO
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