This manual covers the Hyster A917 series forklifts, specifically models H800-900-1050HD and H800-900-970-1050HDS. These Class 5 internal combustion engine forklifts are designed for demanding industrial applications, featuring robust engineering and reliable performance. Their pneumatic tire configuration ensures effective operation across various surfaces, making them a versatile choice for material handling needs. This comprehensive Service Repair Factory Manual provides essential information for maintaining and repairing your Hyster forklift. It details periodic maintenance schedules, system specifications, and assembly procedures. Coverage extends to critical components including the electrical and hydraulic systems, transmission, steering, brakes, engine fault codes, cooling system, mast, operator cab, frame, differential, and planetary gear axle. This guide is an indispensable resource for owners, technicians, and mechanics to ensure optimal performance and longevity of the equipment.