This Service Shop Repair Manual covers the Komatsu WA250PZ-5 Wheel Loader, a robust machine engineered for demanding operational environments. Known for its reliability and efficient performance, this model is designed to meet the challenges of various industrial and construction applications. The WA250PZ-5, identified by serial number prefix H50051, features a powerful SAA6D102E-2-A diesel engine, ensuring consistent power delivery for heavy-duty tasks. This manual provides comprehensive information to support the longevity and optimal functioning of your equipment. This 830-page English-language manual is meticulously structured to assist owners, mechanics, and technicians in all aspects of vehicle care. It details essential procedures for maintaining, assembling, disassembling, servicing, and repairing the WA250PZ-5. Key sections include general information, structure and function, testing and adjustment, disassembly and assembly, and troubleshooting. With step-by-step instructions, diagrams, real photo illustrations, and schemes, this manual is an indispensable resource for ensuring the vehicle operates at peak efficiency and safety standards.