This service repair manual covers the Komatsu Wheel Loader models WA65-6, WA70-6, WA80-6, WA90-6, and WA100M-6. These machines are engineered for robust performance and reliability in demanding work environments. Built with durable components and advanced hydraulic systems, they are designed to provide efficient material handling across various applications. The manual details the comprehensive engineering and operational features that contribute to the productivity and longevity of these wheel loaders. The purpose of this manual is to provide detailed service and repair information for the specified Komatsu Wheel Loader models. It encompasses a wide range of topics, including general information, structure and function, testing and adjusting procedures, disassembly and assembly, and troubleshooting guides. Technical specifications, wiring diagrams, and hydraulic schematics are also included to assist owners, mechanics, and technicians in performing maintenance, diagnostics, and repairs accurately and efficiently, ensuring the optimal performance and upkeep of the equipment.