The 1960s and 1970s saw Autocar custom-engineer some of the biggest, baddest trucks ever put to work in the dirtiest, toughest, most rugged vocations imaginable. Among the unique models produced during this period were a 900,000 lb. GCW Autocar AP19T with a V-12 Cummins diesel engine, a 30,000 lb. tubular front axle and 200,000 lb. tandem rear axles.

Photo: Autocar


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