The Komatsu WA450-3LL Wheel Loader is a robust piece of equipment designed for demanding operational environments. Featuring a powerful Komatsu SAA6D125E-2 turbocharged, aftercooled, direct injection diesel engine, this model delivers impressive gross power of 217 kW (291 HP) and net power of 208 kW (279 HP) at 2000 rpm. Its planetary-type powershift transmission offers 4 forward and 4 reverse gears, contributing to efficient material handling. With a standard bucket capacity of 4.2 m³ (5.5 yd³) and a substantial operating weight of 21,710 kg (47,860 lbs), the WA450-3LL is engineered for reliability and performance in construction, mining, and other heavy-duty applications. This Service Repair Factory Manual provides comprehensive guidance for the Komatsu WA450-3LL Wheel Loader, serial numbers 50305 and up. It covers essential areas including general information, structure and function, testing and adjusting procedures, disassembly and assembly, maintenance standards, and other critical data. The manual is presented in English and is designed to assist owners, mechanics, and technicians in effectively maintaining, troubleshooting, and repairing the equipment. Understanding the detailed procedures and specifications within this manual is key to ensuring the longevity and optimal performance of your WA450-3LL.