Dual drive tractor how to distinguish between the main driver and sub driver?
6 x 4 is the three axle vehicle, commonly known as the three cars, a total of 6 / close side wheel
Among them, 2 front wheels are steering wheels, 4 rear wheels (two rear wheels are one pair, 8 ones), and the latter four wheels are driving wheels.
6 x 2 also said that the car is the bridge, a total of 6 / 2 pair of wheels, the front wheel is a steering wheel, two (or two pair is bearing wheel, but can not afford to...
