1982 Chevrolet Medium Duty Trucks Sales Brochure. The mighty mediums from Chevy. There are over 4800 ways to custom-build one for your job. That's right. With such a wide range of wheelbases, engines, transmissions and rear-axle ratios - there are over 4800 ways you can spec out a Chevy Mighty Medium for the job you have to do. There's also a great variety of springs, tires and available options to choos from. GVWRs go up into the heavy-duty class. 2 short BBCs and 3 hood designs available. Covers engines, transmissions, axles, suspensions, brakes, frames, cabs, and options. Specifications on the back cover. Condition: Rusty staples. See pics.