The CUCV or Commercial Utility Cargo Vehicle is a US Military vehicle based on readily available commercial trucks. Originally intended to augment the purpose-built, but expensive GAMA Goat 6x6 and older Jeeps. The first generation was based on Dodge / Chrysler trucks. This book is focused on the M1008 series second generation CUCV which was General Motor's first major light-truck military vehicle production since World War II. They began production in 1984 and ended production in 1996 with most units being produced as 1984 model year units. Later production was focused on replacements for existing CUCV's. The majority of units were built from existing heavy duty light truck commercial parts. The M1009 was an upgraded/up-rated Chevy K5 Blazer with a 3/4 ton capacity. The M1008 series trucks were a 1-1/4 ton or 5/4 ton rated truck. In all 70,000 units were produced with three power trains. This manual is the Direct Support and General Support repair instructions for the diesel engines used in these vehicles. Including the 6.5 liter and other models. It is published as a convenience to enthusiasts who may wish to have a quality professionally printed copy of the manual. This publisher has also printed other manuals for this series of vehicles.