This workshop manual covers the JCB LPG 3.0 Engine, an internal combustion engine designed for reliable performance. Engineered for efficiency and durability, this LPG-powered unit is built to meet demanding operational requirements. Its robust construction and advanced design ensure consistent output and longevity, making it a trusted choice for various applications requiring dependable engine power. This comprehensive manual provides detailed guidance for the service, repair, assembly, and disassembly of the JCB LPG 3.0 Engine. It includes essential information on technical data, maintenance procedures, troubleshooting common issues, and specific coverage for the starting, charging, ignition, fuel, governor, and cooling systems, as well as base engine service. This resource is intended to assist owners, mechanics, and technicians in maintaining the optimal performance and operational integrity of their engine.