This manual covers the HYSTER CHALLENGER H70XM, H80XM, H90XM, H100XM, H110XM, and H120XM forklifts, designed for material handling and industrial operations. These robust machines are powered by internal combustion engines, offering options such as the GM V-6 4.3L or Perkins 1004.42 Diesel, and utilize LPG or Dual Fuel systems. They feature advanced powertrain options including 2-speed and single-speed powershift transmissions, ensuring efficient operation in demanding environments. This comprehensive Service Repair and Parts Manual provides detailed information essential for the maintenance and repair of your HYSTER forklift. It covers major systems including the frame, operator's cab, cooling, steering, brake, and hydraulic systems, as well as the mast and lift cylinder. Within its pages, you will find procedures for scheduled maintenance, fastener standards for both inch and metric fasteners, and specifications for various components. The manual is designed to assist owners, mechanics, and technicians in keeping their equipment in optimal working condition.