This Operation & Maintenance Manual covers the WA250PZ-5 Wheel Loader, serial numbers H50051 and up. Engineered for reliability and performance, this machine features a SAA6D107E-1 turbocharged, intercooled diesel engine with a net power of 110 kW (148 HP) and an Advanced Transmission with Lock-up. Its robust construction, including Planetary Full-Floating Type axles with limited-slip differentials, ensures efficient operation in demanding environments. With an operating weight of 11,950 kg and a standard bucket capacity of 2.0 m³, the WA250PZ-5 is designed for a wide range of material handling tasks. This comprehensive manual is designed to assist owners, operators, and service technicians. It provides detailed information on operation, maintenance, and troubleshooting to ensure the optimal performance and longevity of your WA250PZ-5 Wheel Loader. Key areas covered include lubrication capacities, service intervals for engine oil, transmission oil, hydraulic oil, and air cleaner elements, as well as procedures for startup, shutdown, driving, handling, and control functions. Safety precautions are also thoroughly detailed to promote safe operation.