This manual covers the Hyster CHALLENGER L005 forklift, specifically models H70XM and H120XM. These industrial machines are engineered for demanding operational environments, offering robust performance and reliability. The forklift is equipped with various engine options, including the GM V-6 4.3L, Perkins Diesel 1104 (RE), and the GM 3.0L (EPA Compliant), paired with either a 2-SPD or Single-SPD Powershift transmission. Its design incorporates an Electronic Controlled LPG/Gasoline Fuel System, ensuring efficient power delivery. 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 periodic maintenance, fluid capacities, and specifications, covering critical components such as the frame, operator cab, cooling system, drive and steering axles, brake system, and the entire hydraulic system, including pumps and control valves. Furthermore, the manual details electrical systems, various mast types, and fastener standards in both Inch (SAE) and Metric. With the inclusion of diagrams, photographs, and schemes, this English language manual is an indispensable resource for owners and technicians.