This manual covers the Komatsu WA250-1LC Wheel Loader, a robust piece of equipment designed for demanding operational environments. Built with Komatsu's renowned engineering quality, this model is recognized for its reliability and performance in various construction and material handling tasks. Its articulated frame steering and powerful diesel engine contribute to its efficiency and maneuverability on job sites. This service repair manual provides comprehensive information for maintaining and repairing units with serial number prefix A65001 and up. The purpose of this manual is to serve as a complete guide for the Komatsu WA250-1LC Wheel Loader, detailing everything from routine maintenance to in-depth repairs. It covers essential systems including the engine, power train, steering, brakes, work equipment, and electrical systems. With easy-to-follow, step-by-step instructions, this resource is invaluable for owners, mechanics, and technicians seeking to ensure the longevity and optimal performance of their equipment. All pages are printable, offering flexibility for use in various service settings.