This comprehensive Komatsu D51EX-22 D51PX-22 Crawler Tractor (Dozer Bulldozer) Service Repair Workshop Manual provides detailed instructions and technical specifications for maintaining and repairing your machine. Covering serial numbers B10001 and up, this manual is an essential resource for technicians, mechanics, and owners seeking in-depth information on every aspect of the D51EX-22 and D51PX-22 models. Inside, you will find detailed information on engine, transmission, hydraulics, electrical systems, undercarriage, and more. The manual includes exploded diagrams, troubleshooting guides, specifications charts, and step-by-step procedures for a wide range of service tasks. From routine maintenance to major repairs, this manual provides the information you need to keep your Komatsu crawler tractor operating at peak performance.

The Komatsu D51EX-22 and D51PX-22 are powerful and reliable crawler tractors, designed for a wide range of earthmoving applications. These machines, part of Komatsu's renowned D-series, boast a robust construction built to withstand demanding conditions. The D51EX-22, classified as a "Standard" model, is ideal for general earthmoving, while the D51PX-22, labelled as a "Performance" model, is equipped with additional features for enhanced productivity and versatility. Both models are powered by a fuel-efficient Komatsu SAA4D107E-1 engine, delivering exceptional power and torque for efficient operation. The engine incorporates an electronically controlled fuel injection system, optimizing fuel consumption and reducing emissions. The Komatsu D51EX-22 and D51PX-22 crawler tractors are renowned for their operator comfort and ease of operation. The spacious cab offers excellent visibility and features a comfortable, ergonomically designed seat, allowing for long hours of operation without fatigue. The intuitive control layout ensures effortless operation, minimizing operator workload. Both models incorporate a range of standard features, including a powerful hydraulic system, a durable undercarriage, and a reliable transmission system, all designed to deliver high productivity and long-lasting performance. Additionally, the D51PX-22 boasts an optional blade tilt feature, enhancing its versatility for a wider range of applications. Overall, the Komatsu D51EX-22 and D51PX-22 crawler tractors are reliable and powerful machines, offering impressive performance and efficiency, making them ideal choices for various construction projects.