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What is the Difference Between Single-Axle Drive and Dual-Axle Drive for Semi-Trailers?

1 Answers

Ariel

07/29/25 9:45pm

The differences between single-axle drive and dual-axle drive for semi-trailers are as follows: 1. Number of drive units: A single-axle drive has only one drive unit, typically rear-wheel drive; a dual-axle drive has two drive motors. 2. Power delivery method: In a single-axle drive, only one wheel provides power, while the other three are passive wheels that cannot deliver power; in a dual-axle drive, two wheels can provide power. Two-wheel drive (2WD) is divided into front-wheel drive (FWD) and rear-wheel drive (RWD). FWD means the front wheels pull the rear wheels, eliminating the need for a rear-wheel driveshaft, so there is no central hump in the car caused by the driveshaft, resulting in better vehicle stability. RWD vehicles have a central hump in the rear floor, making them relatively more prone to losing control in rain or snow. However, RWD vehicles offer more driving fun and improved power performance.

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