The 1965 MACK R-609/611ST 4-Wheel Diesel Tractor Truck Specifications Specs Brochure is a vintage collectible item that provides detailed information about the Mack trucks made in 1965. This brochure includes specifications for the R-609ST & R-611ST models, such as the transmission, rear axles, wheels, and fuel type. The brochure also features a chassis diagram and a list of standard equipment for these 4-wheel tractor trucks. Produced by Mack Trucks, Inc. in the United States, this brochure is a valuable piece of transportation history from the year 1965.