With decades of experience, J.R. Smith Welding Service, Inc. specializes in welding and machining repairs for steering, axle, and suspension systems on Euclid and Hitachi off-road mining haul trucks. Our services include:
- Removing frozen king pins and set screws
- Welding and line boring trailing arm–style axle and spindle king pin bores, including removal and replacement of all factory wear bushings
- Hand weld build-up and refacing of thrust bearing faces on trailing arms and their opposing spindle bearing surfaces
- Hand weld build-up and reboring of rear trailing arm bores in truck frames and rear axle housings, including re-machining snap ring grooves and installing factory spherical bearings
We perform these heavy-duty reconditioning repairs on anthracite and bituminous coal mining machinery year-round, even in harsh outdoor conditions, consistently delivering results that exceed customer expectations. All completed work is warranted for durability, fit, and proper operation.
