The Komatsu WA600-3LK Wheel Loader is a robust piece of equipment designed for demanding operational environments. Featuring a powerful Komatsu SAA6D140E-3 turbocharged, aftercooled diesel engine delivering 334 HP net power, and a sophisticated Komatsu Advanced Transmission System (K-ATS) with 4 forward and 4 reverse gears, this machine is engineered for efficiency and reliability. Its substantial operating weight of 46,000 kg, coupled with a generous ground clearance of 470 mm, ensures stability and capability across various job sites. The ROPS/FOPS cab and pilot-operated joystick controls provide operator comfort and precise command, making the WA600-3LK a dependable choice for heavy-duty material handling tasks. This Service Repair Workshop Manual provides comprehensive guidance for the Komatsu WA600-3LK Wheel Loader, serial number prefix -A53001 and up. It covers essential maintenance procedures, including detailed specifications for engine oil, transmission oil, and hydraulic system capacities, along with recommended change intervals for filters and fluids. The manual also delves into technical specifications, troubleshooting common issues, and outlines important safety guidelines to ensure safe and effective operation and repair. This resource is invaluable for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their WA600-3LK.