This manual covers the Clark EPG20-30, ECG20-32, and ECG20-30X series forklifts, part of the ECG/EPG358 series. These industrial machines are engineered for demanding operational environments, offering robust performance and reliability. While specific production years are not detailed, the design reflects a commitment to durable construction and efficient material handling, making them suitable for a wide range of warehousing and logistics applications. The purpose of this Factory Service/Repair/Workshop Manual, code SM-677, is to provide comprehensive guidance for the maintenance and repair of these Clark forklifts. It details essential procedures, including safe maintenance practices, periodic servicing, and fluid capacities. The manual also covers the electrical system, drive train, wheels and tires, braking system, steering system, and hydraulic system, including components such as pumps, control valves, cylinders, and the upright mechanism. Technical specifications and electrical schematics are also included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the equipment.