This comprehensive Ford New Holland 230A, 231, 335, 340, 340B, 420, 445, 455A, 531, 532, 535, 540A, 540B, 545, and 545A Industrial Tractor Service Repair Workshop Manual provides detailed information for models built between 1975 and June 1983. This manual covers all model variations, including LCG models, and features gasoline and diesel 3-cylinder engines. While loaders and backhoes are considered attachments, this manual focuses on the core tractor components. The manual is meticulously organized into twelve sections, each dedicated to a specific system of the tractor. These sections provide clear and concise information on the following: * **Engine Systems:** Covers the intricacies of the tractor's engine, including troubleshooting, maintenance, and repair procedures. * **Fuel Systems:** Delves into the fuel system, providing guidance on fuel delivery, filtration, and potential issues. * **Electrical Systems:** Details the electrical system, explaining wiring diagrams, component functions, and troubleshooting techniques. * **Clutches:** Provides in-depth knowledge on clutch operation, adjustment, and repair. * **Transmission Systems:** Explains the transmission system, addressing gear selection, maintenance, and common issues. * **Power Take-Off (PTO):** Offers a comprehensive overview of the PTO system, including its operation, maintenance, and troubleshooting. * **Rear Axle and Brakes:** Covers the rear axle and braking system, providing detailed information on components, maintenance, and troubleshooting. * **Steering Systems:** Explains the steering system, including its operation, adjustment, and repair procedures. * **Front Axle:** Covers the front axle, providing detailed information on its components, maintenance, and adjustments. * **Hydraulic System:** Provides a comprehensive understanding of the hydraulic system, addressing its operation, maintenance, and troubleshooting. * **Separating the Tractor:** Offers detailed instructions and guidance on safely disassembling the tractor for repair and maintenance. * **Wheels and Tires:** Covers the wheel and tire systems, providing information on maintenance, repair, and tire specifications. This manual is an essential resource for mechanics, technicians, and anyone seeking detailed information on maintaining and repairing these Ford New Holland industrial tractors. The detailed illustrations, step-by-step instructions, specifications, and troubleshooting guides make it an invaluable tool for ensuring optimal performance and extending the lifespan of your tractor.

The Ford New Holland 231 Industrial Tractor, a workhorse of the late 1970s and early 1980s, was a robust and versatile machine built to handle a wide range of tasks in various industries. These tractors, along with their counterparts in the 230A, 335, 340, 340B, 420, 445, 455A, 531, 532, 535, 540A, 540B, 545, and 545A model lines, were renowned for their durability and reliability, making them popular choices for construction, agriculture, and industrial applications. Powered by gasoline or diesel 3-cylinder engines, these tractors offered a balance of power and fuel efficiency, allowing them to handle challenging tasks while minimizing operating costs. The Ford New Holland 231 Industrial Tractor was designed with a robust frame and heavy-duty components, ensuring its ability to withstand the demands of demanding work environments. From the late 1970s to June 1983, the Ford New Holland 231 Industrial Tractor saw a steady evolution, with various model variations like LCG (Low Center of Gravity) introduced to address specific needs. Although loaders and backhoes were considered attachments and beyond the scope of the service repair manual, the 231 tractors were often equipped with these tools, further enhancing their versatility. While these tractors were designed for heavy-duty work, they also emphasized operator comfort and ease of use. The well-designed controls and intuitive layout made them user-friendly, contributing to overall productivity. The Ford New Holland 231 Industrial Tractor, with its robust construction, versatility, and user-friendly design, established itself as a reliable and dependable workmate in demanding industries, even after Ford New Holland transitioned to New Holland under the ownership of FIAT and later CNH Global. Today, these tractors continue to be valued by enthusiasts and collectors, serving as a testament to their enduring legacy in industrial machinery.