This manual covers the Komatsu WA20, WA30, WA40, and WA50 series wheel loaders. Designed for demanding operational environments, these machines are engineered for robust performance and reliability. Their construction prioritizes durability and efficiency, making them suitable for a wide range of industrial and construction applications. Adherence to the guidelines within this manual will ensure optimal functionality and longevity of your equipment.

The purpose of this operation and maintenance manual is to provide comprehensive guidance for the safe and effective use of your Komatsu wheel loader. It details essential information regarding operation, inspection, and maintenance procedures. By carefully following the instructions and recommendations provided, owners and operators can ensure the continued performance and dependability of their machines. This manual is an indispensable resource for maintaining your equipment in peak condition.