This manual covers the Komatsu WA250-5 and WA250PT-5 Wheel Loaders, serial numbers 70001 and up. These machines are engineered for demanding operational environments, offering robust performance and reliability. The WA250 series is designed to provide efficient material handling and operational versatility, making them a dependable choice for various construction and industrial applications. Their construction reflects a commitment to durability and productivity. The Service Repair Manual provides comprehensive guidance for maintaining and repairing these Wheel Loaders. It details procedures for assembly, disassembly, servicing, diagnosing, and troubleshooting, ensuring that users can perform repairs and maintenance independently. The manual includes essential technical specifications, maintenance standards, and detailed diagrams with photo illustrations and schemes. Its organization into major sections facilitates efficient access to information, supporting both routine upkeep and in-depth repairs.