The Komatsu WA320-3 Avance is a robust Wheel Loader from the WA320 Series, engineered for demanding operational environments. Featuring a powerful diesel engine, typically a Komatsu SAA6D102E-1 with a displacement of 6.4 liters and a gross power of 121 kW (162 HP), this machine is built for reliability and efficiency in heavy-duty applications. Its design emphasizes robust construction, with an operating weight of approximately 17,395 kg and dimensions suitable for substantial material handling tasks, including a standard bucket capacity of around 3.0 m³. The WA320-3 Avance represents Komatsu's commitment to delivering high-performance equipment for construction and industrial sectors. This Full Service Repair Manual provides comprehensive guidance for the Komatsu WA320-3 Avance Wheel Loader. It covers essential areas including detailed repair procedures, routine maintenance schedules, rebuild instructions, and diagnostic information, along with wiring diagrams. Designed for both professional technicians and experienced DIY mechanics, this English-language manual offers the necessary technical specifications and step-by-step instructions to ensure the optimal performance and longevity of the machine. Its content is structured to facilitate efficient troubleshooting and repair, empowering users to maintain and restore the WA320-3 Avance effectively.