Abstract: An axle housing assembly includes web members that define lubricant containment chambers within an interior space of a housing. Each lubricant containment chamber contains a fixed amount of lubricant. The containment chambers defined within the housing confine lubricant to critical areas to reduce the amount of lubricant required within the housing to properly lubricate internal components.

Abstract: A speed reducer utilizes a cam driver and a cam follower both having sinusoidal grooves. The numbers of peaks and valleys in the cam driver and the cam follower grooves are controlled to achieve a desired change in speed between an input shaft and an output shaft. The use of the cam drive system allows a wide range of speed control in a relatively small package, and further ensures quiet operation.

Abstract: A differential is provided by a cam associated with each of the first and second output shafts of the differential. A moving member moves axially relative to the cams when the shafts are rotating at different speeds. The moving member is driven by the differential case, and in turn, drives the two cams. The cams are fixed to rotate with respective output shafts. As the differential speed of the two cams increases, the moving member moves axially at an increasing speed. Hydraulic fluid is positioned in chambers at each end of the first moving member and limits the speed of axial reciprocation of the first moving member. As the hydraulic fluid resists additional increase in speed of the first moving member, the first moving member begins to drive the two cams, and hence the two shafts, at a more equal speed.