Original issue, US Army Technical Manual, 625 pages, size is 7 1/2" x 10 1/4", loose leaf, three hole punched, dated 7 April 1965.  This is not a commercial copy or print but an original issue government print published in 1965 and republished in 1976 to include changes 1 through 6.  This publication is titled - TM 9-2320-209-20, Organizational Maintenance Manual for  2 1/2 Ton, 6x6, Chassis, Truck: M44, M44A1, M44A2, M45, M45A1, M45A2, M45A2G, M45C, M45G, M46, M46A1, M46A1C, M46A2C, M46C, M57, M58; Instrument Repair Shop, Truck Mounted: M185, M185A1, M185A2, M185A3; Truck, Cargo: M34, M35, M35A1, M35A2, M35A2C, M36, M36A2, M36C; Truck, Dump: M47, M59, M343, M343A2; Truck, Maintenance: Earth Boring Machine and Pole Setter, V18A/MTQ, M764; Truck, Maintenance: Telephone Construction and Maintenance V17/MTQ: Truck, Pipeline Construction: M756A2; Truck,Tank: Fuel Servicing, 1,200 Gal, M49, M49A1C, M49A2C, M49C;Truck, Tank: Water, 1,000 Gal, M50, M50A1, M50A2; Truck, Tractor: M48, M275, M275A1, M275A2; Truck, Van: Electronic, M567; Truck, Van: Expansible, M292, M292A1, M292A2, M292A5; Truck, Van: Shop, M109, M109A1, M109A2, M109A3; Truck, Wrecker: Crane, M108; Truck, Wrecker: Light, M60.  Publication is designed to provide information and instructions for the repair and maintenance requirements and procedures for this family of 2 1/2 ton trucks at the unit oevel of maintenace.  Very well illustrated using phtotographs and clear and detailed line drawings.