An essential component of the starting system – a high-quality, high-power 4.5 kW starter motor, operating on a 24V system. Designed for heavy JCB JS series tracked and wheeled excavators (models JS175 to JS260) equipped with ISUZU engines. Its key task is to provide reliable and strong engine cranking, even in harsh weather conditions. It features a reinforced solenoid and an 11-tooth (11T) pinion gear with clockwise (CW) rotation.
GX-AFTER is the smart choice for your machine. We provide high-class replacement parts that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.
| Brand | Type / Series / Model |
|---|---|
| JCB | Tracked and Wheeled Excavators (JS): JS175, JS175W, JS180, JS190, JS200, JS210, JS220, JS240, JS260 (with Isuzu engine) |
The list above is for reference. It is key to match the engine type (Isuzu) and voltage (24V).
Always disconnect the negative battery terminal before working on the starting system. The starter is connected directly to the battery (live positive cable), and accidental short-circuiting can cause fire, battery explosion, or severe burns.
The starter is a high-torque electric motor designed to turn the engine's crankshaft to initiate combustion. A failed starter will immobilize the machine.
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The "click" is the solenoid engaging, but it doesn't have enough power to turn the engine. The most common cause is weak or discharged batteries, corroded terminals, or a damaged main power cable. Secondly, it could be a faulty (burnt-out) solenoid on the starter itself.
2. The starter spins very fast, but the engine doesn't turn over. What's wrong?This is a classic symptom of a failed one-way clutch, commonly known as the "bendix". The solenoid correctly pushes the gear out, but the clutch "slips" and fails to transfer power to the flywheel ring gear. In this case, the starter must be replaced or rebuilt.
3. Will this 24V starter fit my 3CX backhoe?No. Standard JCB 3CX and 4CX backhoe loaders (with Perkins or DieselMax engines) run on a 12V electrical system. This 24V starter is exclusively for larger machines, such as the JS excavator series (e.g., JS180, JS220, JS260), which are equipped with Isuzu engines and use a 24V system.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
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Suitable for JCB JS175-JS260 excavators

















