VEHICLE WITH CONNECTABLE FOUR-WHEEL DRIVE

摘要

A connectable four-wheel drive vehicle (1) has an engine (4) having a drive shaft (5); two main drive wheels (3) connected permanently to the drive shaft (5) by the interposition of a gearbox (10) having a first clutch (8); and two secondary drive wheels (2) selectively connectable to the drive shaft (5) by a connectable drive system (15); the connectable drive system (15) has a second clutch (17) which, on one side, is connected with a fixed velocity ratio to the drive shaft (5) upstream from the gearbox (10), and, on the other side, is connected with a fixed velocity ratio to the secondary drive wheels (2).