This Workshop Service Repair Manual covers the Komatsu WA65-3, WA65-3 Parallel Lift, WA75-3, WA85-3, WA90-3, and WA95-3 wheel loaders. These machines are engineered for demanding work environments, offering robust performance and reliability. The WA65-3 Parallel Lift model features a specialized drive system designed for enhanced operational efficiency. This manual is intended for owners and operators who rely on these powerful machines for various service and repair tasks. The purpose of this manual is to provide comprehensive guidance for maintaining and repairing your Komatsu wheel loader. It details essential information including safety precautions, general operational principles, the structure and function of components, testing and adjustment procedures, disassembly and assembly instructions, and an appendix for further reference. By following the procedures outlined herein, users can ensure the optimal performance, longevity, and safe operation of their equipment.