This manual covers the HYSTER CHALLENGER D117 series forklifts, including models H1050EH, H800E, H880E, and H970E. These heavy-duty forklifts are engineered for demanding industrial applications, offering robust performance and reliability. Their design prioritizes operational efficiency and durability, making them a trusted choice for material handling challenges. This comprehensive Service Repair and Parts Manual provides detailed information essential for the upkeep and repair of your HYSTER forklift. It includes extensive sections on the frame, cooling system, transmission, axles, steering, brakes, and hydraulic systems, alongside electrical system diagnostics and mast servicing. With actual photo illustrations and diagrams, this manual serves as an indispensable resource for owners, technicians, and mechanics to ensure optimal performance and longevity of the equipment.