Motor starter suitable for JCB JS175-JS260 excavators
GX-AFTER

Motor starter suitable for JCB JS175-JS260 excavators

Catalog number:714/40280A Nr OEM:714/40280 Manufacturer:GX-AFTER
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24V, 4.5KW, 11T STARTER MOTOR SUITABLE FOR JCB JS EXCAVATORS - 714/40280

Technical Specification and Compatibility

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.

Part number: 714/40280
Voltage: 24 V
Power: 4.50 kW
Teeth (Pinion): 11T
Rotation: CW (Clockwise)

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.

Related Parts

  • › Batteries: A failing starter is often a symptom of weak batteries. Check their condition.
  • › Power and Ground Cables: Ensure connections are clean, free of corrosion, and tight.
  • › Starter Relay: If you only hear a "click", the relay might be the problem, not the starter itself.

Application in machines

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).

⚠️ Safety Warning

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.

Part's Role in the Machine and Failure Diagnostics

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.

  • › No response when turning the key to "start".
  • › A single, loud "click" (indicates a faulty solenoid or insufficient voltage from the battery).
  • › Starter spins but does not crank the engine (faulty "bendix" - one-way clutch).
  • › Slow, heavy cranking (indicates worn brushes, bushings, or a short circuit in the armature).

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🔧 Expert's Guide: Key Installation Tips

  1. Disconnect the battery: This is mandatory. Disconnect the negative terminal before removing the old starter.
  2. Clean contacts: Before attaching cables to the new starter, thoroughly clean the power and ground cable terminals. Corroded or loose connections are the main cause of poor starting and burnt-out starters.
  3. Check the ring gear: Before installation, look into the mounting hole and inspect the teeth on the flywheel ring gear. A damaged or "chewed-up" ring gear will quickly destroy the new bendix.
  4. Ensure good ground: Tighten the starter's mounting bolts firmly to the engine block. The starter gets its ground connection through its housing; a weak mount means a weak ground and starting problems.

Frequently Asked Questions (FAQ)

1. I only hear a "click" when I turn the key. Is the starter bad?

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.

Znak zapytania

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.

714/40280A
714/40280
8.73 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
EXCAVATOR
OEM NUMBERS
714/40280
ENGINE
ISUZU

Specific References

MPN
714/40280
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Motor starter suitable for JCB JS175-JS260 excavators

Catalog number: 714/40280A
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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57a
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

559.65 zł

net price
455,00 zł
Available in large quantity Temporarily unavailable
455,00 zł
net price

559.65 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 46 points, it gives you 18.40 zł
  • Place an order within 11h 40m 26s And we will send your order today

    Lowest price from 30 days before the discount: 559.65 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    EXCAVATOR
    OEM NUMBERS
    714/40280
    ENGINE
    ISUZU

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    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

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