This comprehensive Komatsu PC400-7 Shop Service Repair Manual is designed for servicing and repairing Komatsu PC400-7 excavators with serial numbers 50001 and up. This manual provides detailed instructions and diagrams covering all aspects of the machine's operation and maintenance. It includes sections on general information, structure and function, testing and adjusting, disassembly and assembly, maintenance standards, and other relevant topics. The manual is organized for easy navigation, allowing you to quickly find the information you need. With this manual, you'll have the same information and guidance that your local Komatsu dealer uses for repairs.

The Komatsu PC400-7 is a powerful and versatile hydraulic excavator designed for a wide range of heavy construction applications. This model, part of the renowned PC400 series, is known for its robust build, high performance, and advanced technology. The PC400-7 is equipped with a powerful Komatsu SAA6D140E-6 engine that delivers 329 horsepower, ensuring efficient and reliable operation. The excavator features a large digging capacity and a maximum digging depth of 25 feet, making it ideal for tasks such as excavation, loading, and material handling. Its advanced hydraulic system provides exceptional digging force and smooth, precise movements. The PC400-7 also benefits from Komatsu's renowned operator comfort features, including a spacious and ergonomically designed cab with a comprehensive monitoring system and intuitive controls for enhanced operator productivity and reduced fatigue. One of the key strengths of the Komatsu PC400-7 is its focus on efficient operation and reduced environmental impact. The excavator incorporates advanced technology to minimize emissions and fuel consumption. The engine features a selective catalytic reduction (SCR) system and a diesel particulate filter (DPF) to meet stringent emission regulations. Furthermore, the PC400-7's hydraulic system is designed for optimal efficiency, reducing fuel consumption and minimizing noise levels. This commitment to sustainable practices makes the PC400-7 a responsible choice for environmentally conscious construction projects. The Komatsu PC400-7 is a well-respected and widely used excavator in the construction industry, renowned for its power, reliability, and advanced features. Its versatility and commitment to environmental responsibility make it a valuable asset for contractors and operators alike.