Patent ID: 6250722
Filing Date: 2001-06-26
Classification: B60B

Abstract:
A hub extension assembly for a tractor front axle with mechanical frontwheel drive, the axle having a final drive with a hub and a final drive cover, the hub having a radial wheel flange extending radially beyond the final drive cover and having a circular pattern of bolt apertures therethrough, the drive cover extending axially beyond the wheel flange, the axle further having a wheel disc attached thereto by a pair of diametrically spaced wheel bolts passing through the wheel disc and into the wheel flange, the extension comprising:an inner extension ring surrounding the final drive cover and having axially spaced inner and outer flanges with through bores aligned with the bolt apertures in the wheel flange and a cut out to provide clearance for the wheel bolts, the inner flange abutting the wheel disc and the inner extension ring being secured to the wheel flange by bolts passing through a portion of the bores in the inner and outer flanges and the bolt apertures in the wheel flange whereby the bolts further secure the wheel disc to the wheel flange; andan outer extension member having an inner mounting flange with bolt apertures aligned with the remaining apertures in the wheel hub, the mounting flange abutting the outer flange of the inner extension ring and being scalloped to provide clearance for the bolts attaching the inner extension ring to the hub, the outer extension member further having an outer wheel flange with a circular pattern of bolt apertures therethrough for mounting of an outer wheel disc thereto.