rear most axle

基本解释

Think about it. You steer with your front axle, and most of the vehicles weight is on the rear.
个中原因在于：你使用前桥来转向，而大部分的车辆重量都压在后面，此时猛踩制动器只会导致更多重量被转移至后桥，这会妨碍你正常转向。
Drive shaft A drive shaft and universal joints connect the transmission to the rear drive axle on most rear-wheel-drive vehicles.
传动轴在大多数后轮驱动的车辆中主要是靠传动轴和万向节连结着变速箱与后轮驱动桥。
Torsen differential immediately diverts most of the power to the axle, providing better traction whenever the need arises - in extreme cases, up to 65 percent to the front or 85 percent to the rear.
该机械操作的托森差立即转移大部分权力的车轴，提供更好的牵引力需要时，随时在极端情况下-，高达百分之六十五的前面或百分之八十五到后方。

He says that, among other things, Ford should redesign the car to move the fuel tank forward of the rear axle, where it's placed in most cars.
FORBES: Ford's Cop Problem