This comprehensive manual provides a complete guide to maintaining, assembling, disassembling, and servicing your Komatsu WA800-3 Wheel Loader. It covers everything from basic operation and maintenance to intricate repair procedures, ensuring you can keep your machine running smoothly and efficiently. The manual is divided into three sections: Service Repair Manual, Field Assembly Manual, and Operation & Maintenance Manual. The Service Repair Manual offers detailed specifications, diagrams, and real-life photo illustrations to guide you through every step of repair and servicing, covering technical maintenance and troubleshooting procedures. The Operation & Maintenance Manual details procedures for operation, handling, lubrication, maintenance, checking, and adjustment. It empowers both operators and maintenance personnel to achieve peak performance through effective, economical, and safe machine operation and maintenance. The Field Assembly Manual provides a step-by-step guide to assembling your Komatsu WA800-3 Wheel Loader safely and effectively, covering parts installation, adjustment, and maintenance procedures after completion of assembly. This manual ensures you have all the necessary information to correctly assemble and maintain your machine. This manual focuses on machines with serial numbers 50001 and up and covers the SA12V140-1 engine. For further details on the engine, refer to the 12V140-1 Series Engine Shop Manual.

The Komatsu WA800-3 is a heavy-duty wheel loader designed for demanding applications in industries like mining, construction, and quarrying. This powerful machine boasts a robust build, incorporating a durable frame and highly efficient components to ensure long-term reliability and performance. The WA800-3 is equipped with a powerful engine, a large lifting capacity, and a spacious operator cab designed for comfort and safety. Its versatile design allows it to handle a wide range of materials, including rocks, aggregates, and earth, with ease. The loader is equipped with advanced hydraulic systems that provide precise control and smooth operation, enabling operators to maximize productivity in various tasks such as loading, unloading, and material handling. The WA800-3's exceptional features include a spacious operator cab that offers a commanding view of the work area and is equipped with ergonomic controls for ease of use. The cab is also designed to minimize noise and vibration, contributing to a comfortable and productive working environment for operators. The loader's robust build, its powerful engine, and advanced hydraulic systems, coupled with its large lifting capacity, ensure efficient and reliable performance even in the most demanding conditions. The Komatsu WA800-3 is a highly sought-after machine for its performance, durability, and operator comfort. It is designed to handle heavy loads and demanding tasks, maximizing efficiency and productivity in a variety of industries.