This manual covers the JCB Dieselmax Tier3 SE Engine, an SE Build variant designed for robust performance and reliability. While specific production years are not detailed, this engine family is recognized for its engineering quality and adherence to Tier 3 emission standards. The Dieselmax engine is built to provide dependable power for various applications, emphasizing durability and efficient operation. This comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing the JCB Dieselmax Tier3 SE Engine. It includes detailed coverage of general information, care and safety, systems descriptions, fault finding, test procedures, and specific systems such as fuel, cooling, lubrication, electrical, induction, and exhaust. The manual also covers the base engine and electronic data systems, offering step-by-step instructions, diagrams, and a complete parts list to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their engine.