Original 1983 GMC sales brochure for the 5000, 6000, 7000 Series Diesel, Gasoline, and LPG Powered Trucks. Review lots of color photos of many types of trucks. Lots of reading on brakes, LPG conversion, hood designs, cabs, E-Z Spec ordering, Top Kick, cab comfort and conveniences, cab construction, low maintenance and easy service components, key features/equipment of single-axle and tandem-axle chassis, Top Kick performance, power options, and color illustrations of the color schemes (solid, two-tone, striping). Technical data on the inside back cover. Very good condition. ADV 83-15.