Watch as we take on the rebuild of a Caterpillar D4 final drive pinion. From disassembly to inspection and reassembly, this detailed video walks you through the entire process. Ideal for heavy ...

Some diesel enthusiasts still think of General Motors’ Duramax engine as the new kid on the block. Although, the truth is, its core architecture has now been in production longer than any of the Ford ...

Last month we honed the cylinder bores on our International 7.3L IDI diesel engine. This process took the glaze off the walls and left a good surface for our new piston rings to contact. This time we ...

ANNISTON ARMY DEPOT, Ala -- In the depot's Powertrain Flexible Maintenance Facility, artisans overhaul, repair and rebuild diesel engines which power many of the combat vehicles in the Army's fleet.