This manual covers the Komatsu WA90-5 and WA100M-5 Wheel Loaders, designed for robust performance in demanding work environments. These machines are engineered for reliability and efficiency, offering powerful operation for various construction and material handling tasks. With a focus on durability and operator comfort, the WA90-5 and WA100M-5 represent Komatsu's commitment to quality in heavy equipment manufacturing. This comprehensive Service Repair Manual and Operation & Maintenance Manual provides essential information for the proper care and upkeep of your Komatsu wheel loader. It details crucial procedures for maintenance, troubleshooting, and repair, alongside technical specifications and safety guidelines. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the WA90-5 and WA100M-5 models.