This Service Repair Manual covers the Clark GPX and DPX series forklifts, including models GPX 30, GPX 35, GPX 40, GPX 40S, GPX 50, GPX 55, DPX 30, DPX 35, DPX 40, DPX 40S, DPX 50, and DPX 55. These robust forklifts are engineered for demanding industrial applications, offering reliable performance for maintenance, assembly, disassembly, and general servicing tasks. Their design prioritizes operational efficiency and durability, making them a trusted choice for various material handling needs. This comprehensive English-language manual, spanning 602 pages, provides detailed technical information essential for the upkeep and repair of your Clark forklift. It includes step-by-step instructions for repair, servicing, technical maintenance, and troubleshooting, supported by specs, diagrams, photo illustrations, and schemes. The manual covers all critical operational elements, from engines and cooling systems to hydraulic circuits and steering mechanisms, enabling owners and technicians to effectively maintain and repair their equipment.