Lesson 2/Learning Event 2
FIGURE 12. THREE-QUARTER FLOATING REAR AXLE.
The three-quarter floating axle was also used on some earlier commercial vehicles. The
bearing supporting the outer end of the axle shaft is moved from inside the axle housing
to the outside. This method of mounting the axles places most of the weight of the
vehicle on the ends of the axle housing rather than the ends of the axle shafts. The wheel
is solidly keyed to a taper on the end of the axle shaft, so side-thrust is still taken by the
axle shaft as the vehicle turns or skids.