This service repair manual provides comprehensive guidance for forklifts, including models H70XM, H80XM, H90XM, H100XM, H110XM, and H120XM. Engineered for demanding material handling and industrial operations, these forklifts are equipped with robust powertrain options such as the GM V-6 4.3L gasoline engine or the Perkins 1004.42 diesel engine, and feature reliable LPG and Dual Fuel systems. The transmission options include both Two-Speed Powershift and Single-Speed Powershift, ensuring versatility in various work environments. This manual serves as an essential resource for maintaining and repairing your forklift. It covers an extensive range of topics, including detailed procedures for routine and preventive maintenance, troubleshooting common issues, and understanding technical specifications. Key areas addressed include the frame, operator's cab, engine systems, cooling, fuel, and transmission, as well as the drive axle, steering, brake, and hydraulic systems. Furthermore, it provides in-depth information on components like masts, lift cylinders, and electrical systems, along with fastener details and diagnostic diagrams, all presented in English for clarity and ease of use.