Classification of four-wheel drive[汽车修理知识]

Off-road vehicles and high-end street sports cars often use four-wheel drive, and our common four-wheel drive can actually be divided into three categories, each with its advantages and disadvantages.
Timely drive: On normal roads, vehicles generally use rear-wheel drive.Once you encounter poor road or drive
The driving wheel slips, the computer will automatically detect and immediately distribute the engine output torque to the two front wheels, and naturally switch to the four-wheel drive state. Its biggest advantage is simple operation, but at the same time, because of the use of computer control, the vehicle response will be slower. The time-sharing four-wheel drive is suitable for high-end motorhomes and urban sports cars.
All-wheel drive: thisTransmission systemThe front and rear wheels always maintain the four-wheel drive mode, and the engine output torque is set on the front and rear wheels evenly during driving, so that the front and rear wheels maintain the same amount of torque. The full-time drive system has good driving control and driving tracking. But the waste oil of this kind of system is economical. Full-time four-wheel drive is suitable for professional off-road vehicles.
Time-sharing four-wheel drive: This is a four-wheel drive system that the driver can manually select between two-wheel drive and four-wheel drive. The driver can switch on or off according to the road conditions.SplitterTo change the two-wheel drive or four-wheel drive mode is also the most common drive mode. The most significant advantage is that the drive mode can be selected according to the actual situation, which is more economical. The time-sharing four-wheel drive is suitable for SUVs and non-professional off-road vehicles.
Source: China Auto Repair Network

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