This workshop service repair manual covers the Clark SF20-30D/L/G and CMP20-30D/L/G forklift models. These robust machines are engineered for demanding industrial environments, offering reliable performance powered by Gasoline, LPG, or Tier 2 Diesel engines. Their design prioritizes durability and operational efficiency, making them a valuable asset for a wide range of material handling applications. This comprehensive manual provides detailed instructions for servicing and repairing various systems, including the engine, transaxle, steering, brakes, and hydraulics, along with mast maintenance. It is intended for do-it-yourselfers, mechanics, and technicians, offering clear guidance, high-quality diagrams, and circuit diagrams to ensure proper maintenance and repair. The manual is presented in English and is fully printable.