The Komatsu WA120-3 Wheel Loader is a robust piece of equipment designed for demanding operational environments. Featuring a powerful Komatsu SAA4D102E-1 diesel engine, this machine delivers 100 HP for efficient material handling. Its engineering prioritizes reliability and performance, making it a dependable choice for construction, mining, and landscaping applications. The WA120-3 is built with quality components and a focus on operator comfort and productivity, ensuring it meets the challenges of various work sites.

This Workshop Service Repair Manual provides comprehensive guidance for the maintenance and repair of the Komatsu WA120-3 Wheel Loader, serial numbers 53001 and on. It covers essential areas including detailed engine specifications, powertrain information, hydraulic systems, and operational capacities. The manual is designed to assist owners, technicians, and mechanics in understanding the vehicle's systems, performing routine maintenance, and troubleshooting potential issues. With its searchable and menu-driven format, this manual serves as an indispensable resource for keeping the WA120-3 operating at peak performance and longevity.