This manual covers the Hyster N005 Series internal combustion engine forklifts, including models H80FT, H90FT, H100FT, H110FT, and H120FT. These Class 5 pneumatic tire forklifts are engineered for reliable performance in demanding industrial environments, offering nominal lift capacities ranging from 8,000 to 12,000 lbs. Their robust construction and efficient design make them a cornerstone for material handling operations requiring dependable lifting solutions. This comprehensive Service Repair Workshop Manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Hyster forklift. It covers critical systems such as the internal combustion engine, Powershift transmission, cooling system, electrical system, hydraulic components, and steering axle. With in-depth diagnostic procedures, cylinder repair guidance, and wire harness repair instructions, this manual serves as an indispensable resource for owners, mechanics, and technicians to ensure optimal vehicle performance and longevity.