The product is a vintage 1963 Mack Bogie Models SWD 57 & 5701 Tractor Truck brochure showcasing the features of these four-wheel drive power train trucks. Produced by Mack Trucks, Inc. in the United States, the brochure includes specifications and details about the Triplex series of trucks. With a limited print run of 5,000 copies, the brochure measures 8.5 x 11 inches and is a valuable collectible for truck enthusiasts and collectors interested in transportation memorabilia.
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