This comprehensive manual package provides a wealth of information for maintaining and repairing your Ford 621, 631, 641, 651, and 661 tractors, covering models from 1953 to 1964. The package includes six essential manuals: **1. Ford 621, 631, 641, 651, and 661 Tractor Service Manual:** This detailed manual serves as your primary resource for servicing the tractor. It covers all major systems, including the power plant (engine, electrical, ignition, fuel & exhaust, cooling), clutch, transmissions, rear axle, power take-off, steering, front axle, brakes, wheels and tires, and the hydraulic system. The manual also contains a supplemental section dedicated to the Select-O-Speed transmission, a key feature on these tractors. **2. Ford 501 600 601 700 701 800 801 900 901 1801 2000 4000 Shop Manual:** This aftermarket manual provides additional repair and maintenance instructions for a broader range of Ford tractors, including those in the 500, 600, 700, 800, 900, 1800, 2000, and 4000 series. It covers a wide array of components like the belt pulley, brakes, carburetor, clutch, cooling system, diesel fuel system, differential, engine, final drive, front axle, front system, governor, hydraulic power package, hydraulic lift system, ignition & electrical system, LP Gas system, power steering system, power takeoff, rear axle, remote control valves, service data, steering gear, transmission (various configurations), and wiring diagrams. **3. Ford 4 Cylinder Tractor Parts Catalog Manual (IPC) 1953-1964:** This invaluable catalog provides a complete listing of parts for your Ford 4-cylinder tractor, including exploded views, diagrams, part numbers, and descriptions. It is an essential tool for ordering parts and reassembling your tractor. **4. Ford 621, 631, 641, 651 & 661 Tractor Factory Master Parts Catalog Manual (IPC) 1953-1959:** This catalog specifically covers the Ford 601 series tractors, providing detailed information on each part and its location, helping you identify and order the correct parts for your tractor. **5. Ford 621, 631, 641, 651 and 661 Tractor Owners Operators Manual:** This original manual, exactly like the one provided with the tractor when new, provides comprehensive information on operating, maintaining, and understanding your tractor. It covers topics like maintenance procedures, lubrication, special attachments, specifications, and operation. **6. Ford 621, 631 and 641 Diesel Tractor Owners Operators Manual:** This is the original operator's manual for diesel-powered models in the 621, 631, and 641 series, providing specific information on operating and maintaining your diesel tractor. Each manual is fully indexed, searchable, and bookmarked for easy navigation, allowing you to quickly locate the information you need. With detailed illustrations, exploded diagrams, drawings, and photos, these manuals guide you through the service and repair procedures.

The Ford 600 series tractors, encompassing models 621, 631, 641, 651, and 661, were a line of powerful and versatile agricultural workhorses produced by Ford from the late 1960s to the early 1980s. These tractors were known for their robust construction, reliable performance, and user-friendly design, making them popular choices for farmers and ranchers across the globe. They were available with a range of engine options, offering varying horsepower and torque outputs to suit different applications. The 621, for instance, was equipped with a 3.9-liter, 4-cylinder diesel engine, while the 661 boasted a 6.6-liter, 6-cylinder diesel engine. These tractors were designed for a variety of tasks, from plowing and cultivating to hauling implements and harvesting crops. Beyond their raw power, the Ford 600 series tractors featured several innovative features that enhanced their performance and convenience. These included a live hydraulic system, providing smooth and responsive implement control, and a power steering system, making maneuvering the tractors easier and reducing operator fatigue. The tractors were also equipped with a comfortable, spacious operator cab, providing a good view of the surroundings and ensuring a pleasant working environment. The Ford 600 series tractors played a crucial role in modernizing agriculture during their production run, offering farmers a reliable and efficient tool to increase productivity and improve their operations. Their durable construction and reliable performance have ensured their continued use in many agricultural operations, even decades after their production ended.