This manual covers the JCB Dieselmax engine, specifically the Tier 3 SE variant. Engineered for reliability and performance, the Dieselmax engine is a robust power unit designed for demanding applications. Its common rail direct injection system and liquid-cooled design contribute to efficient operation and durability. This factory original service repair workshop manual provides comprehensive information for this diesel engine. This English-language manual serves as an essential resource for maintaining and repairing the JCB Dieselmax engine. It contains detailed text sections, high-quality diagrams, and clear instructions covering various aspects of engine service. Users will find information on lubrication, filter replacement, cooling system maintenance, and other critical procedures. This document is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their JCB Dieselmax engine.