This manual covers the JCB 803 Plus and 803 Super mini excavators, designed for versatile and reliable performance in various construction and landscaping applications. These machines, built with robust engineering, offer efficient operation and durability, making them a valuable asset for professionals. Their compact size and powerful hydrostatic 4WD drive system allow for excellent maneuverability and capability in tight spaces and challenging terrain. This comprehensive Service Repair Workshop Manual provides detailed information essential for the maintenance, repair, and technical understanding of your JCB mini excavator. It includes in-depth procedures for routine maintenance, troubleshooting common issues, and detailed technical specifications for critical components such as the Perkins diesel engine and hydraulic system. By following the guidelines within this manual, owners, mechanics, and technicians can ensure optimal performance, longevity, and safety of the JCB 803 Plus and 803 Super models.