This manual contains complete on-vehicle maintenance, light repair information, and unit replacement when used with the 1977 medium duty truck shop manual for medium duty trucks and 1977 heavy duty truck shop manual for heavy duty trucks. Models covered are 40 45 50 60 65 medium Duty Trucks and 70 75 80 90 95 Heavy Duty models. This manual is in a good condition and perfect for display when you are showing your truck. The manual contains many pages of detail information and measure about 3/4" thick. This is the manual the dealership technicians used when repairing these trucks. CURRENTLY WE ARE ONLY ABLE TO SHIP ON SATURDAYS!