What are the types of four-wheel drive chassis?

1 Answers
Danielle
07/29/25 9:32pm
On-demand drive: Under normal road conditions, the vehicle generally adopts rear-wheel drive. Once encountering poor road conditions or wheel slippage, the computer automatically detects and immediately distributes the engine's output torque to the two front wheels, naturally switching to four-wheel drive mode. Its greatest advantage is simple operation, but at the same time, due to computer control, the vehicle's response may be slower. Part-time four-wheel drive is suitable for high-end RVs and urban sports cars. Full-time four-wheel drive: In this drivetrain, the front and rear wheels always maintain four-wheel drive mode. While driving, the engine's output torque is evenly distributed between the front and rear wheels, ensuring equal torque on both axles. The full-time drive system offers excellent driving control and tracking performance. However, this system consumes more fuel and has poor fuel economy. Full-time four-wheel drive is suitable for professional off-road vehicles. Part-time four-wheel drive: This is a four-wheel drive system where the driver can manually choose between two-wheel drive and four-wheel drive. The driver can switch between two-wheel drive and four-wheel drive modes by engaging or disengaging the transfer case based on road conditions, making it the most common drive mode. Its most notable advantage is the ability to select the drive mode according to actual conditions, making it more economical. Part-time four-wheel drive is suitable for SUVs and non-professional off-road vehicles.
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