To incorporate an oil pump which supplies hydraulic pressure to clutches of a torque distribution mechanism without interfering with a transfer device.
The transfer device T, where a gear shaft 23 of a transfer drive gear 22 to which torque is transmitted from an input part of a front differential mechanism Df, intersects a gear shaft 25 of a transfer driven gear 24 connected to rear wheels, and generates hydraulic pressure for operating the clutches CL, CR of the torque distribution mechanism A by the oil pump 75 installed on the gear shaft 25 of the transfer driven gear 24 to be driven by the gear shaft 25. Even when one of right/left front wheels is caught by mud and slips, therefore, not only the situation where the oil pump 75 is not driven and the clutches CL, CR become incapable of operating is securely avoided, but interference with an existing oil pump and its driving system is avoided when the transfer device T is added to a front-wheel-driven vehicle to make the vehicle four-wheel-driven.
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DOBASHI MAKOTO
WAKAMATSU KIYOSHI
Kazuaki Niki
Nude Shima Shinji
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