This Service Repair Manual covers the Clark NP 15, NP 20, and NP 12D forklifts. These industrial machines are engineered for demanding operational environments, offering robust performance and reliability for tasks such as maintenance, assembly, disassembly, and general servicing. Their design prioritizes efficiency and durability, making them a trusted choice for various material handling applications. This comprehensive manual provides essential information for the upkeep and repair of your Clark forklift. It details step-by-step repair procedures, accompanied by diagrams, schemes, actual photo illustrations, and exploded views to ensure clarity. The guide also covers troubleshooting without requiring full disassembly, enabling efficient problem resolution. This resource is invaluable for owners, mechanics, and technicians seeking to maintain optimal performance and longevity of their equipment.