Original 1955-65 Chevrolet Truck Dealer Medium Duty Parts Catalog. This large Parts Book covers the 1955 [2nd Series] thru 1965 11/2, 2 and 21/2 Ton Trucks. This Manual is dated Effective October 1, 1964. This is what the Dealer used to order Factory Replacement Parts to Repair your Truck. It has Part Numbers, Group Numbers, Description, Quantity, Application and no Illustrations. It is in good condition with normal wear and blemishing from use in a Dealership [see photos]. Very rare and informative tool for the Chevy Truck Owner.