Caterpillar Tractor inertia welding program (1966–present)

Caterpillar Tractor Company has employed inertia welding since 1966 in the manufacture of components for its heavy-duty construction equipment. More than 500 part numbers are inertia welded, of which some examples are track roller brackets (formerly made as a casting), track rollers, pre-combustion chambers, filter housings, and pin assemblies.