This manual covers the Komatsu WA250-5, WA250L-5, WA250PT-5, and WA250PTL-5 Wheel Loaders, part of the 5 Series. These machines are engineered for robust performance and reliability in demanding operational environments. Their design emphasizes efficient power delivery, advanced hydrostatic transmission systems, and durable construction, making them suitable for a wide range of material handling and construction tasks. The integration of a turbocharged diesel engine and precise electronic controls ensures optimal productivity and operational control. This Service Repair Workshop Manual provides comprehensive guidance for all maintenance, servicing, and troubleshooting procedures. It contains hundreds of pages of detailed information, including step-by-step instructions, detailed photos, diagrams, and exploded views to assist owners, mechanics, and technicians. The manual is designed to facilitate the proper upkeep and repair of your Komatsu Wheel Loader, ensuring its continued optimal performance and longevity.