The Komatsu WA320-5 Wheel Loader, manufactured for serial numbers 60001 and up, is a robust piece of heavy equipment engineered for demanding construction and material handling applications. This 4-wheel drive machine features a powerful Komatsu SAA6D102E-2 diesel engine with a net horsepower of 107 kW (143 HP) and a displacement of 6.4 L, delivering a peak torque of 570 Nm at 1300 rpm. Its design prioritizes reliability and operational efficiency, boasting an operating weight of 11,750 kg and a wheelbase of 2,800 mm, making it a dependable asset for various industrial tasks. This Shop Manual, provided in English, serves as a comprehensive guide for the maintenance and repair of the Komatsu WA320-5 Wheel Loader. It covers essential areas including detailed maintenance procedures, troubleshooting common issues, and provides critical technical specifications such as engine oil capacity and recommended lubrication types. Owners, mechanics, and technicians will find the information within this manual invaluable for ensuring the optimal performance, longevity, and safe operation of their equipment.