This manual covers CLARK TMX and EPX series electric forklift trucks. The TMX series includes models 12, 13, 15, 15s, 17, 18, 20, 20x, and 25, while the EPX series includes models 16 and 18. These robust forklift trucks are engineered for reliable performance in demanding industrial environments, featuring AC dual motor drive systems and operating on 36V or 48V power sources. Their design emphasizes durability and efficiency for a wide range of material handling applications. This comprehensive workshop service repair manual provides detailed information essential for the maintenance and repair of your CLARK forklift. It includes an extensive parts catalog, step-by-step repair procedures, and clear illustrations, diagrams, and schematics for electrical and hydraulic systems. The manual covers critical areas such as periodic maintenance, battery service, fluid management, troubleshooting, and component overhauls, ensuring that owners, technicians, and mechanics have the necessary resources to keep these machines operating optimally and safely.