Development of a One-Piece Rim for Earthmover Tires

The off-highway, 15 deg bead seat tire and its 15 deg tapered bead seat drop center rim is a new concept for today's earthmoving vehicles. The drop center rim concept offers significant advantages over the more common removable flange rim in weight reduction, safety, and durability. This paper describes those advantages, as well as the development and testing of the rim and tire design.