Model 6388 6588 and 6788 Tractors. In Protective D-Ring Binder. Service / Repair Manual. 300 and 400 Series Service / Repair Manual GSS-1427. Testing and Servicing Service / Repair Manual GSS-1052C-1. Clutches Service / Repair Manual GSS-1281. 6388 6588 and 6788 Parts Catalog TC-256. DT-466 Series Engine Parts Catalog. 6388 6588 and 6788 Operators Manual. This comprehensive manual set includes 1,692 pages. Complete Table of Contents for. Each manual shown in the Listing Pictures. This manual set will help you Operate. Maintain and Repair your Equipment. These manuals are New Prints of the. Original Equipment Manufacturers (OEM) Manuals. Orders placed before Noon Central Time. Our Manuals Help You Keep Things Working. Thank You For Your Business!