This service repair workshop manual covers the Komatsu WA65, WA75, WA85, WA90, and WA95 3 Series loaders. These machines are engineered for demanding operational environments, offering robust performance and reliability. While specific production years are not detailed, this manual addresses multiple serial number ranges for the 3 Series generation, ensuring comprehensive support for these versatile pieces of equipment. This manual provides essential information for maintaining and repairing your Komatsu loaders. It details critical procedures, including maintenance schedules and fluid capacities for engine oil, hydraulic oil, coolant, and transmission fluid. Technical specifications and troubleshooting guidance are also included to assist owners, mechanics, and technicians in keeping these machines in optimal working condition. The manual is presented in English and is available in a digital format.