This workshop service repair manual covers the Kubota OC60-E2 and OC95-E2 Diesel Engines, part of the E2 Series. These engines are designed as single-cylinder, 4-cycle diesel units featuring an oil-cooled system and a uniaxial balancer system for smooth operation. The OC60-E2 model offers a displacement of 276 cc, available in standard and long configurations, while the OC95-E2 provides 416 cc, also in standard and long variants. These engines are engineered for reliability and efficiency, suitable for various applications requiring robust diesel power. This manual provides comprehensive guidance for the maintenance and repair of your Kubota diesel engine. It includes detailed step-by-step instructions, accompanied by clear illustrations, covering all aspects from general checks and maintenance to specific system overhauls. Topics include the engine body, crankcase, cylinder liner, lubrication, cooling, fuel systems, injection pump and nozzle, governor, and electrical components like the alternator and regulator. Troubleshooting advice and essential servicing specifications, including tightening torques, are also detailed, making this manual an invaluable resource for both do-it-yourself owners and experienced mechanics seeking to maintain their equipment cost-effectively.