This manual covers the Komatsu WA150PZ-5 Wheel Loader, designed for construction and material handling applications. Built by Komatsu Ltd., this robust machine is powered by a diesel engine, ensuring reliable performance in demanding environments. Its engineering prioritizes efficiency and durability, making it a dependable choice for various industrial tasks. This Operation & Maintenance manual in English provides comprehensive guidance for the Komatsu WA150PZ-5, serial numbers H50051 and up. It details essential information including safety precautions, operational procedures, maintenance schedules, technical specifications, and information on attachments and options. This resource is intended to assist owners, operators, and technicians in effectively using, maintaining, and troubleshooting the wheel loader to ensure its optimal performance and longevity.