This operation and maintenance manual covers Massey Ferguson Continental Gas Engines, featuring a four-cylinder overhead valve inline configuration. These engines are known for their robust engineering and reliability, designed to provide dependable power for various applications. The manual details their fuel systems, which can utilize gravity or mechanical/electrical fuel pumps, and supports common carburetor types such as Marvel-Schebler and Zenith. Ignition can be either battery or magneto-based, and the engines are equipped with various governor types, including cam gear, velocity, and Zenith Goy-U-Retor models, ensuring consistent performance. This comprehensive manual is designed to assist owners and technicians in understanding, maintaining, and repairing their Massey Ferguson Continental Gas Engines. It provides detailed information on preventive maintenance schedules, including daily, 50-hour, 250-hour, and 500-hour intervals. Essential sections cover lubrication systems for both the engine and transmission, cooling system operation, and seasonal storage instructions. Furthermore, the manual offers in-depth guidance on engine overhaul procedures, covering critical components like cylinder heads, blocks, pistons, crankshafts, and camshafts, alongside troubleshooting common issues and essential technical data such as torque specifications and clearance limits.