This comprehensive manual provides a wealth of information for owners and operators of Ford 231, 335, 420, 515, 531, 532, and 535 industrial tractors. It serves as a complete guide to owning, operating, and maintaining these powerful machines, ensuring they perform reliably for years to come. The manual is divided into ten sections, each focusing on a specific aspect of the tractor. It begins by emphasizing safety precautions, outlining crucial guidelines for the safe operation of the tractor. The next section delves into the controls and instruments, providing detailed explanations of each component, including the seat, lights, engine controls, brake controls, transmission and PTO controls, and the hydraulic lift system controls. The manual then moves on to operating instructions, covering essential procedures such as break-in procedures, engine starting and stopping, transmission and PTO operation, towing techniques, differential lock engagement, hydraulic lift system operation, lift linkage and drawbar adjustments, wheel tread settings, and tractor weighting. The lubrication and maintenance section is a valuable resource, featuring a comprehensive lubrication and maintenance chart, fuel and lubricant recommendations, service procedures, general maintenance guidelines, storage instructions, and accessory information. The manual concludes with detailed specifications for the tractor and includes pre-delivery and 50-hour service checklists, ensuring proper maintenance from the very beginning. Throughout the manual, clear exploded views facilitate safe operation, easy component identification, careful disassembly, accurate adjustments, and correct routine maintenance repairs. The information is presented in a logical and accessible manner, with numerous illustrations, specifications, pictures, step-by-step instructions, and comprehensive data to ensure a thorough understanding of the tractor.

The Ford 535 Industrial Tractor, along with its siblings spanning the 231 to 535 model range, represented a significant shift in Ford's industrial tractor offerings. These machines were designed to tackle demanding tasks in various industries, from construction and agriculture to forestry and material handling. The 535, in particular, showcased a robust build, featuring a powerful diesel engine and a durable, reinforced frame capable of handling heavy loads and rough terrain. Its versatility was further enhanced by a selection of attachments and implements, allowing users to adapt the tractor to specific needs depending on the application. Beyond their mechanical prowess, these Ford industrial tractors were renowned for their operator comfort and ease of maintenance. The spacious cab offered excellent visibility and a comfortable workspace, while the intuitive controls and well-organized layout allowed operators to work effectively for extended periods. The design prioritized accessibility, simplifying routine maintenance, reducing downtime and ensuring long-term reliability. The 535, and its counterparts, quickly gained a reputation for their ruggedness, efficiency, and user-friendliness, becoming a staple in various industries, particularly for contractors and large-scale operations requiring reliable heavy-duty equipment.