The Komatsu WA90-5 Wheel Loader is a robust piece of heavy equipment designed for demanding applications in construction and material handling. Engineered for reliability and performance, this model features a powerful Komatsu SAA4D102E-1 diesel engine delivering 81 HP, a 4-wheel drive powershift transmission, and a substantial operating weight of 5,750 kg. Its dimensions, including a length of 5,680 mm and a width of 1,980 mm, make it suitable for various job sites. The WA90-5 embodies Komatsu's commitment to quality and efficiency in its product line. This Operation Maintenance Manual provides comprehensive guidance for the Komatsu WA90-5 Wheel Loader. It covers essential information for owners and technicians, including detailed maintenance procedures, troubleshooting steps, technical specifications, and safety guidelines. The manual is presented in English and is designed to assist users in effectively operating, maintaining, and repairing their equipment, ensuring optimal performance and longevity.