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What is the Difference Between On-Demand 4WD and Full-Time 4WD?

1 Answers

Rob

07/29/25 5:09pm

Here are the differences between on-demand 4WD and full-time 4WD: 1. Different structures: On-demand 4WD has a relatively simple structure; full-time 4WD has a more complex structure. 2. Different power distribution between front and rear axles: On-demand 4WD has a smaller adjustment range; full-time 4WD has a larger adjustment range. 3. Different central differentials: On-demand 4WD responds more slowly; full-time 4WD responds faster. 4. Different operation methods: On-demand 4WD has no separate button in the vehicle; full-time 4WD has a separate button. Additional information: Part-time 4WD vehicles are designed with a transfer case device, which may be a transfer case lever, an electronic button, or a knob. Most on-demand 4WD systems have a separate button in the vehicle marked with "lock," while some are automatically engaged without any button in the vehicle.

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