This comprehensive John Deere 4055, 4255, 4455 Tractors Operation & Tests Technical Manual (TM1459) provides detailed instructions and diagrams to guide you through every aspect of your tractor's maintenance and repair. This manual is designed for both experienced mechanics and do-it-yourselfers, offering clear and concise information to help you complete repairs efficiently.

Starting with general information about safety, machine operational checkout, reference information, and test equipment calibration, the manual then delves into specific sections covering engine operation and tests, fuel and air systems, electrical systems, transmission systems, PTO, axles and differentials, steering and brakes, hydraulic systems, and the operator station.

The manual explores the theory of operation for each system, providing in-depth explanations to enhance your understanding. Detailed diagrams and illustrations clearly depict each component and its function, making it easy to identify and troubleshoot issues. The manual also includes step-by-step instructions for performing operational checks, diagnosis, and tests, guiding you through the repair process with precision.

With its comprehensive coverage, this manual is an invaluable resource for anyone looking to maintain and repair their John Deere 4055, 4255, or 4455 tractor. It empowers you to diagnose and fix problems, ensuring your tractor continues to operate efficiently and reliably.

The John Deere 4055, 4255, and 4455 tractors, covered in the TM1459 technical manual, were powerful and versatile machines designed for a variety of agricultural applications. These tractors, introduced in the late 1970s and early 1980s, were known for their robust build quality and reliable performance. They featured a range of engine options, with the 4055 equipped with a 6-cylinder 4.5-liter engine producing 105 horsepower, the 4255 boasting a 6-cylinder 5.3-liter engine generating 125 horsepower, and the 4455 powered by a 6-cylinder 6.0-liter engine delivering 140 horsepower. The tractors were available with a variety of transmission options, including manual, powershift, and hydrostatic, allowing operators to select the best transmission for their specific needs. The 4055, 4255, and 4455 tractors were also known for their spacious and comfortable cabs, providing operators with a comfortable working environment. They offered features like adjustable seats, heater, and air conditioning, making them suitable for long hours of operation.

The TM1459 technical manual provides comprehensive information about these tractors, covering various aspects such as operation, maintenance, and troubleshooting. It includes detailed diagrams, explanations, and step-by-step instructions, making it an invaluable resource for both experienced mechanics and novice operators. The manual covers topics ranging from engine maintenance and repair to hydraulic system operation and troubleshooting. It also provides information on safety procedures, electrical system diagnostics, and common problems encountered with these tractors. The TM1459 technical manual is an essential tool for anyone involved in the operation, maintenance, or repair of John Deere 4055, 4255, and 4455 tractors. It helps ensure optimal performance, prolong the life of the tractor, and minimize downtime. The detailed information and clear instructions in the manual make it a valuable resource for keeping these powerful machines running smoothly and efficiently.