The Massey Ferguson MF135 is a highly regarded tractor, produced from the early 1960s through the 1970s. Renowned for its versatility, reliability, and robust engineering, it became one of the most popular tractors globally during its production era. Available with various Perkins diesel engines, typically producing around 45-50 horsepower, and some petrol variants, the MF135 was designed for a wide range of agricultural and utility tasks. Its enduring legacy is a testament to its practical design and dependable performance, making it a sought-after machine for both historical appreciation and continued operation. This workshop service repair manual provides comprehensive factory-level detail for the Massey Ferguson MF135. It covers all aspects of service and repair, including in-depth maintenance procedures, troubleshooting guides, diagnostic strategies, and detailed technical specifications. The manual is designed to assist owners and professional mechanics alike in maintaining the optimal performance and longevity of the vehicle. With hundreds of pages, numerous illustrations, and step-by-step instructions, it serves as an essential resource for understanding, servicing, and repairing all major systems, from the engine and transmission to the hydraulic and electrical systems.