This workshop service repair manual covers the JCB Micro Tier 3 Excavator, serial numbers M1149553 onwards, designed to meet Tier 3 emissions standards. The JCB Micro Tier 3 Excavator represents a commitment to robust engineering and reliable performance, making it a capable machine for various operational needs. This manual provides comprehensive information to ensure the optimal functioning and longevity of your equipment. The purpose of this manual is to offer detailed guidance for maintenance, repair, and troubleshooting. It includes extensive sections on general information, care and safety, routine maintenance, attachments, body and framework, electrics, controls, hydraulics, transmission, brakes, track and running gear, and the engine. With step-by-step instructions, hundreds of photos and illustrations, and detailed wiring diagrams, this manual serves as an essential resource for owners, mechanics, and technicians to effectively maintain and repair the JCB Micro Tier 3 Excavator.