This factory service manual covers Komatsu wheel loaders, specifically models WA65-3, WA75-3, WA85-3, WA90-3, and WA95-3, for serial numbers HA940051 and up, H20761 and up for WA65-3; HA050051 and up for WA65-3 Parallel Lift; HA950051 and up, H21408 and up for WA75-3; HA960051 and up, H20219 and up for WA85-3; HA970051 and up for WA90-3; and HA980051 and up, H20651 and up for WA95-3. These machines are engineered for robust performance in demanding environments, offering reliability and efficiency for various operational needs. This comprehensive 422-page manual provides detailed guidance for repair, overhaul, and fault finding. It includes step-by-step instructions, explanations of component functions, and all necessary specifications and tolerances to ensure correct and efficient maintenance. The manual is designed to assist owners, mechanics, and technicians in performing accurate repairs, avoiding errors, and maintaining the optimal performance of their Komatsu wheel loaders.