This manual covers the HYSTER CHALLENGER K005 series forklifts, including models H70XM, H80XM, H90XM, H100XM, H110XM, and H120XM. Engineered for demanding industrial environments, these forklifts are built with robust components and advanced systems to ensure reliable performance and operational efficiency. They offer various engine options, including GM V-6 4.3L and Perkins 1004.42 Diesel, and are equipped with flexible fuel systems such as LPG and Dual Fuel. The transmission options include both 2-speed and single-speed powershift transmissions, providing versatility for different operational needs. This comprehensive Service Repair and Parts Manual provides detailed information essential for the maintenance, repair, and parts identification of your HYSTER CHALLENGER K005 forklift. It includes step-by-step instructions for periodic maintenance, detailed specifications, and in-depth coverage of all major systems, such as the frame, operator's cab, cooling system, drive and steering axles, brake system, and hydraulic system. With clear diagrams, actual photo illustrations, and schemes, this manual is designed to be very easy to follow, assisting owners, mechanics, and technicians in keeping the forklift in optimal working condition.