The differential in the M Series grader distributes power between the two rear wheels while allowing them to rotate at different speeds. This is necessary because when the grader is turning, the outer wheel has to travel a longer distance than the inner wheel, which creates a speed difference between the two.
When the grader is moving straight, the rear wheels rotate at the same speed. This ensures equal power distribution to both wheels, providing optimal traction and stability.
During a turn, however, a gearing called “spider gears” comes into play. As the outer wheel needs to travel a greater distance than the inner wheel, the spider gears allow the axle shafts to rotate at different speeds. This speed difference is accommodated by the spider gears rotating on their axes and transferring power from the faster-turning axle to the slower-turning axle.