This manual covers the Clark TMX Series and EPX Series Forklift Trucks, including models such as TMX12, TMX13, TMX15S, TMX15, TMX17, TMX18, TMX20, TMX20x, TMX25, EPX16, and EPX18. These electric counterbalance forklifts, developed by Clark Material Handling Company, are designed for various industrial applications, with TMX models often signifying 'Tough Multi-purpose' and EPX models 'Electric Performance'. The series represents Clark's commitment to reliable and efficient material handling solutions. This comprehensive 485-page service repair manual provides in-depth information for owners, operators, and technicians. It covers essential areas including maintenance schedules, planned maintenance programs, diagnostics, troubleshooting, and detailed repair procedures for all major systems. Key sections include electrical system schematics, powertrain (drive axle) overhaul, chassis and suspension components, hydraulic systems, operator compartment structures, and safety procedures such as lifting, jacking, blocking, and towing. The manual features step-by-step instructions, technical specifications, and real photo illustrations to facilitate effective maintenance and repair, enabling users to perform necessary work independently and maintain operational efficiency.