This service repair manual covers the Clark GPX 35, GPX 40, and GPX 50E Forklift models. These forklifts are engineered for demanding industrial applications, offering robust performance and reliability. Their design prioritizes efficient material handling and operational longevity, making them a dependable choice for various warehousing and logistics environments. This comprehensive manual provides detailed information essential for the maintenance, assembly, disassembly, servicing, repair, and troubleshooting of these Clark forklift models. It includes extensive coverage of all major systems, such as the engine, cooling, fuel, transmission, electrical, drive axle, wheels and tires, braking, steering, and hydraulic systems, along with uprights and counterweights. With numerous diagrams, real photo illustrations, and schemes, this English-language guide is an indispensable resource for owners and technicians seeking to ensure optimal performance and longevity of their equipment.