This Service Repair Manual covers Komatsu WA300-1 and WA320-1 Wheel Loaders, serial numbers 10001 and up. These machines are engineered for demanding operational environments, offering robust performance and reliability. Their design prioritizes efficiency and durability, making them suitable for a wide range of construction and material handling applications. This comprehensive manual provides detailed information essential for the maintenance and repair of your Komatsu Wheel Loader. It includes step-by-step instructions, high-quality diagrams, and clear text covering all major systems such as the engine, power train, steering, brakes, and work equipment. This resource is designed to assist owners, mechanics, and technicians in performing accurate diagnostics and effective repairs.