This comprehensive service and repair manual provides detailed instructions and illustrations for the JCB JZ235 and JZ255 tracked excavators. The manual covers a wide range of topics, including engine, hydraulics, electrical systems, undercarriage, and more. This manual is an essential resource for mechanics, technicians, and owners who need to service, repair, or maintain these excavators. Whether you are troubleshooting a problem, performing routine maintenance, or undertaking a major overhaul, this manual will provide you with the information you need to get the job done right.

The JCB JZ235 and JZ255 tracked excavators are powerful and versatile machines designed for a wide range of applications, including construction, demolition, and heavy lifting. These excavators belong to JCB's mid-size range, offering a balance of performance and maneuverability suitable for various projects. The JZ235, with its 23.5-tonne operating weight, boasts a maximum digging depth of 7.4 meters and a maximum reach of 9.9 meters, making it ideal for medium-sized excavations and material handling tasks. On the other hand, the JZ255, with its 25.5-tonne operating weight, surpasses the JZ235 in terms of both digging depth (8.1 meters) and reach (10.7 meters), enabling it to tackle larger projects with ease. Both the JZ235 and JZ255 are equipped with robust and reliable Cummins engines, known for their power and fuel efficiency. The engines are coupled with sophisticated hydraulic systems, ensuring smooth and precise control of the excavator's movements. These machines feature spacious and comfortable operator cabins offering excellent visibility and ergonomic controls for fatigue-free operation. JCB's focus on safety is evident in the inclusion of features like a rollover protection system (ROPS) and a falling object protection system (FOPS), ensuring the operator's well-being in demanding work environments. The JZ235 and JZ255 are designed for durability and reliability, with robust construction and high-quality components capable of withstanding the rigors of heavy-duty applications. These excavators are also known for their fuel efficiency, contributing to lower operating costs and reduced environmental impact.