This service repair workshop manual covers Clark SF20-30D/L/G and CMP20-30D/L/G forklifts. These robust machines are engineered for demanding industrial environments, offering reliable performance and efficient operation. With options for gasoline, LPG, or diesel engines, including the Tier2 (4TNV88/94L) and specific 4TNE94-SF engine variants, these forklifts are designed to meet a variety of material handling needs. Their construction emphasizes durability and operational excellence, making them a trusted choice for businesses requiring consistent and powerful lifting capabilities. This comprehensive manual provides detailed information essential for the service, repair, and maintenance of your Clark forklift. It includes in-depth coverage of the steering, brake, and hydraulic systems, along with specific guidance on mast maintenance. You will find clear, easy-to-read text sections complemented by high-quality diagrams and instructions, covering general information and detailed specifications. This resource is designed to assist owners, mechanics, and technicians in understanding, maintaining, and troubleshooting these forklifts effectively, ensuring optimal performance and longevity.