Tandem drive axle system with simplified rear axle

摘要

A tandem axle system has a forward rear tandem axle and a rear rear tandem axle. A rear differential case, a first axle half shaft and a second axle half shaft extending from the differential case. The first axle half shaft has a first set of teeth and the second axle half shaft has a second set of teeth. The rear differential case has a set of teeth. A clutch collar is provided which has teeth on a surface. The teeth selectively engage with the first axle half shaft teeth and the second axle half shaft teeth. The teeth selectively engage with the teeth on the rear differential case.

主权项

1. A tandem axle system, comprising:
a forward rear tandem axle; a rear rear tandem axle; a transfer shaft located between said forward rear tandem axle and said rear rear tandem axle; a mechanism for selectively engaging and disengaging said transfer shaft; a rear case having an inner portion and an outer portion, a first axle half shaft and a second axle half shaft extending from said rear case wherein said first axle half shaft has a first set of teeth located within said inner portion of said rear case and said second axle half shaft has a second set of teeth located within said inner portion of said rear case, wherein said inner portion of said rear case has a set of teeth; and a single clutch collar slidable within said inner portion of said rear case, said clutch collar having inner teeth on an inner surface of said collar and outer teeth on an outer surface of said clutch collar wherein said inner teeth selectively engage with said first axle half shaft teeth and said second axle half shaft teeth and said outer teeth selectively engage with first set of teeth on said rear case; wherein said rear case does not have a differential.