Military MEP-802A / MEP-803A Generator Diesel Engine (Onan/Lister-Petter design).

NOS (New Old Stock) / Zero-Hour Depot Rebuild.

Fully overhauled by the Oregon Sustainment Maintenance Site (OSMS) at Camp Withycombe in September 2007, painted/sealed March 2008.

Stamped STD across the board (Standard Bore, Standard Mains, Standard Rods), meaning it has never been machined down or heavily worn out.