Caterpillar 793C Rear Axle Aframe Support Hitch Pin Bore Yoke Repairing and Replacement
Here’s some pics of a Caterpillar 793C rear axle a-frame support during the various stages of the repair process. The large bore at the tip of the a-frame, or wishbone, is the hitch pin bore. When we check these for cracks we often times find cracks in the bore as well as the bolt holes [...]









