This manual covers the HYSTER CHALLENGER G007, H170HD, and H280HD forklifts, powered by the PERKINS TIER 2 DIESEL ENGINE - 1100 SERIES (VK). These robust machines are engineered for demanding industrial environments, offering reliability and performance for a wide range of material handling tasks. Their design prioritizes efficiency and durability, ensuring consistent operation in various operational settings. This comprehensive Service Repair and Parts Manual provides detailed information for maintaining, assembling, disassembling, and servicing these forklifts. It includes sections on periodic maintenance, troubleshooting guides for the Perkins Tier 2 diesel engine, fault code diagnostics, and in-depth coverage of all major components, including the frame, operator cab, cooling system, transmission, axles, steering, brakes, hydraulics, mast, and attachments. With real photo illustrations and schemes, this manual is an essential resource for owners, mechanics, and technicians.