The Komatsu WA600-3LK Wheel Loader is a robust and reliable piece of heavy equipment designed for demanding industrial and construction applications. Featuring a powerful Komatsu S6D140E-1 diesel engine, a planetary gear type full powershift transmission with 4 forward and 4 reverse gears, and a substantial operating weight of approximately 36,710 kg, this machine is engineered for exceptional performance and durability. Its impressive bucket capacity of 5.6 m³ and rated load of 10,000 kg, combined with a maximum dump height of 3,090 mm, make it highly efficient for material handling tasks. The inclusion of a ROPS/FOPS cab ensures operator safety in challenging environments. This comprehensive Service Shop Repair Manual provides in-depth guidance for the Komatsu WA600-3LK Wheel Loader, serial numbers A53001 and up. It covers all essential aspects of maintenance, repair, and servicing, including detailed sections on general information, structure and function, testing, adjusting, troubleshooting, disassembly, assembly, and maintenance standards. With real photo illustrations, diagrams, and schemes, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their equipment.