This workshop service manual covers the Kubota OC60-E2 and OC95-E2 engines, part of the OC Series Diesel family. These single-cylinder, 4-cycle, oil-cooled diesel engines are designed for robust performance in industrial and agricultural applications. The OC60-E2 models feature a displacement of 276 cc, while the OC95-E2 offers 416 cc, providing reliable power for demanding tasks. Kubota engines are recognized for their engineering quality and dependability, making them a trusted choice for various equipment needs. The purpose of this manual is to provide comprehensive guidance for the maintenance and repair of the specified Kubota engines. It details essential procedures, technical specifications, and troubleshooting information necessary for optimal engine performance and longevity. Owners, mechanics, and technicians will find detailed instructions on servicing, component identification, and operational parameters. This resource is crucial for ensuring that the OC60-E2 and OC95-E2 engines continue to operate efficiently and reliably throughout their service life.