Gearbox housing - rear - Manual 4 speeds suitable for JCB
GX-OEM

Gearbox housing - rear - Manual 4 speeds suitable for JCB

Catalog number:SKX986989D Nr OEM:459/30377 Manufacturer:GX-OEM
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Rear Gearbox Housing (Manual 4-Speed) suitable for JCB 3CX 4CX - 459/30377

Technical Specification and Compatibility

Precisely manufactured 459/30377 rear gearbox housing by GX-OEM. This transmission case component covers the rear drive output shaft. Dedicated to JCB machines (backhoe loaders, telehandlers) equipped with a 4-speed manual transmission (Synchro Shuttle).

Part Number: 459/30377
Component Type: Rear Housing / Output Bearing Cover
Transmission Type: Manual (4-speed) / Synchro Shuttle
Location: Rear drive output

By choosing GX-OEM parts, you serve uncompromising first-assembly quality. Our products are manufactured with the highest precision, guaranteeing a perfect fit and parameters identical to the original. This is the best investment in the long and trouble-free operation of your machine.

Features of GX-OEM 459/30377 Housing

Top Class Casting: Made of durable cast iron, resistant to thermal and mechanical stresses generated by the drivetrain.
Precise Machining: Accurately milled contact surfaces and bearing seats ensure tightness and perfect alignment of the output shaft.
OEM Standard: Dimensions and tolerances consistent with JCB factory documentation guarantee trouble-free installation.
Mechanism Protection: Effectively protects internal gearbox components from contaminants and retains oil inside the transmission.

Application in JCB machinery

Machine Type Models
Backhoe Loaders 3CX, 4CX (with 4-speed manual transmission)
Telehandlers Loadall (models 520, 526, 530, 540 - with applicable gearbox)
Rough Terrain Forklifts 926, 930, 940 (with manual transmission)

The above list is indicative. Compatibility depends on the type of installed gearbox (Syncro Shuttle).

Related Parts and Hardware

When replacing the rear housing, it is necessary to use a new output shaft seal and a paper gasket or silicone between the housings. It is also worth checking the condition of the output bearing.

⚠️ Safety Warning

A cracked gearbox housing risks sudden oil leakage, which can lead to transmission seizure and total machine immobilization. Oil leaks are also dangerous to the environment and pose a fire risk.

Part Role in the Machine and Failure Diagnostics

Housing 459/30377 closes the rear of the gearbox, supporting the output shaft bearing and sealing the rear drive output.

  • › Oil leak at the housing joint or shaft flange.
  • › Body cracks (visible scratches, oil sweating).
  • › Output bearing play (worn housing seat).
  • › Damaged mounting threads.

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🔧 Expert Guide: Key Installation Tips

  1. Gearbox ID: Ensure you have a 4-speed manual transmission (Syncro Shuttle). Powershift transmissions have a different design.
  2. Surface Cleanliness: Before installing the new housing, perfectly clean the mating surface on the main body from old sealant.
  3. Bearing Installation: The bearing should be pressed with appropriate force, perpendicular to the axis. Do not hit the housing directly with a hammer.

Frequently Asked Questions (FAQ)

Does this housing fit a Powershift transmission?

No. This housing (459/30377) is dedicated exclusively to manual transmissions (Synchro Shuttle). Powershift gearboxes have a different rear section design.

Is the seal included?

The housing is typically sold as a "bare" casting. Seals, bearings, and gaskets must be purchased separately or transferred from the old part if functional (though we recommend new ones).

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX986989D
459/30377
48.50 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
FORKLIFT
TELESCOPIC HANDLER
OEM NUMBERS
459/30377

Specific References

MPN
459/30377
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Gearbox housing - rear - Manual 4 speeds suitable for JCB

Catalog number: SKX986989D
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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

7,993.77 zł

net price
6499,00 zł
Last pieces Temporarily unavailable
6499,00 zł
net price

7,993.77 zł

gross price
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  • You will receive 650 points, it gives you 260.00 zł
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    Lowest price from 30 days before the discount: 7,993.77 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    FORKLIFT
    TELESCOPIC HANDLER
    OEM NUMBERS
    459/30377

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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

    Opening hours
    Telephone support - Monday - Friday (8:00 AM – 5:00 PM)
    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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