This workshop service repair manual covers the Clark SF CMP D G L series forklift trucks, models 20, 25, and 30. These robust machines are engineered for demanding industrial environments, offering reliable performance and efficient operation. The series is designed with a focus on durability and ease of maintenance, ensuring maximum uptime in various material handling applications. Available with Mitsubishi petrol, LPG, or Yanmar diesel engines, these forklifts provide versatile power options to suit specific operational needs. This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Clark forklift. It includes in-depth coverage of all major systems, such as the engine, transmission, hydraulic system, electrical system, braking system, and steering system. With step-by-step procedures, detailed diagrams, exploded views, and technical specifications, this guide is an indispensable resource for owners, technicians, and mechanics to ensure the optimal performance and longevity of the equipment.