4-Speed Valve assembly suitable for JCB
GX-AFTER

4-Speed Valve assembly suitable for JCB

Catalog number:SKX974347A Nr OEM:459/M5109 Manufacturer:GX-AFTER
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Part Number: 459/M5109
Alternative Numbers: 459/M3087, 459/10117
Manufacturer: AFTERMARKET
Transmission Type: Powershift – 4 Speed
Solenoid Voltage: 12 V

The 459/M5109 valve block is a hydraulic control unit designed for 4-speed Powershift transmissions used in JCB machines. It acts as the “brain” of the transmission, consisting of precision-machined oil channels, valves and solenoids that control hydraulic pressure to engage the correct gear and select driving direction (forward or reverse).

This valve block is responsible for smooth gear changes, proper clutch engagement and safe transmission operation during both driving and working conditions.
Note: The assembly does not include solenoids – compatibility and completeness should be verified prior to installation.

Function and Fault Diagnosis

The valve block receives electrical signals from the operator’s controls and converts them into precise hydraulic pressure management within the Powershift transmission. Failure of this component may immobilize the machine or cause unsafe driving behavior.

Common symptoms of failure include:

  • No drive in forward, reverse or selected gears.

  • Harsh or jerky gear changes.

  • Transmission stuck in a single gear.

  • No response to gear selector input.

  • Transmission-related fault codes or warning messages.

⚠️ Safety Warning

A faulty Powershift valve block can result in uncontrolled gear engagement or sudden loss of drive, posing a serious safety risk during operation or road travel. Always follow JCB service procedures and ensure absolute cleanliness of the hydraulic system during installation.

Application in machines

Brand (Machine Type)

Model

JCB (Backhoe Loaders)

3CX, 4CX (models with Powershift transmission)

JCB (Telehandlers)

Loadall (selected models, e.g., 531, 541, TM320)

The list above is for reference. We recommend visually comparing the block with your old part before purchasing.

SKX974347A
459/M5109
10.70 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
459/M5109 / 459/M3087 / 459/10117

Specific References

MPN
459/M5109
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4-Speed Valve assembly suitable for JCB

Catalog number: SKX974347A
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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

3,073.77 zł

net price
2499,00 zł
Available in large quantity Temporarily unavailable
2499,00 zł
net price

3,073.77 zł

gross price
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  • Lowest price from 30 days before the discount: 3,073.77 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    459/M5109 / 459/M3087 / 459/10117

    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)

    Email



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    +48 17 864 00 24
    +48 17 864 25 96

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