Transmission pump suitable for JCB 3CX 4CX
GX-OEM

Transmission pump suitable for JCB 3CX 4CX

Catalog number:SKX975037C Nr OEM:20/925552 Manufacturer:GX-OEM
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TRANSMISSION PUMP SUITABLE FOR JCB 3CX, 4CX - 20/925552

Technical Specification and Compatibility

An essential component of the drive system – a transmission pump (gearbox pump), designed for newer JCB models. It is the heart of the gearbox hydraulics, responsible for generating the oil pressure necessary to control clutches, shift gears, and lubricate and cool the entire system. Precision manufacturing and the use of high-quality materials guarantee that factory pressure and flow parameters are maintained, which is crucial for the smooth and failure-free operation of the Powershift transmission.

Part number: 20/925552
Alternative part numbers: 20/925466, 20/950807, 20/925335
Manufacturer: GX-OEM
Shaft diameter (mm): 45
Number of teeth: 28

By choosing GX-OEM parts, you are choosing the uncompromising quality of the original assembly. Our products are made 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.

Essential for Assembly

  • › Transmission pump gasket: Always use a new gasket, part no. 813/50041.
  • › REDX transmission oil filter: Always replace the filter when replacing the pump.
  • › HYPTRON transmission oil: An ideal opportunity to replace the old oil with new, dedicated oil for your transmission.

Application in machines

Brand (Machine Type) Model
JCB (Backhoe Loaders) 2DX, 3CX, 4CX
JCB (Telehandlers) 531-70, 533-105, 535-125, 535-140, 540-170, 550-170, 540-140, 536-60, 535-90

The list above is for reference. Before purchasing, we recommend verifying the part number in the parts catalogue for your machine.

⚠️ Safety Warning

Before starting work on the transmission, ensure the engine is off and the machine is secured against rolling. Hot transmission oil can be under residual pressure and can cause severe burns. Use protective gloves and eyewear.

Part's Role in the Machine and Failure Diagnostics

The transmission pump is responsible for the pressure in the entire gearbox. Its wear leads to a drop in pressure, which results in clutch slippage, shifting problems, and oil overheating. A sudden pump failure will immobilize the machine.

  • › Delayed response when changing direction (forward/reverse).
  • › "Dragging" or jerking during gear shifts.
  • › Loss of drive, especially when the oil is hot.
  • › Loud operation, whining coming from the gearbox.

Peace of Mind Guarantee: Why Choose Our Offer?

A weak pump is a direct path to a burnt-out transmission.

Operating on low pressure causes the clutch packs to slip and burn, which ends in a very expensive overhaul. The cost of a new pump is negligible compared to repairing the entire gearbox. Don't risk the most expensive failure – order a new, OEM-quality pump and restore the correct pressure and smooth operation to your transmission.

📞 Can't find the part you're looking for?

No problem. Our website shows only a few thousand of the over 60,000 parts we have in stock. Contact us – we probably have what you need on the shelf!

🔧 Expert's Guide: Key Installation Tips

  1. Maintain absolute cleanliness: Before installation, thoroughly clean all connections and hoses. Even the smallest contaminant can damage the new pump and the entire system.
  2. Change oil and filters: Always install a new pump with new transmission oil and new filters (suction and pressure).
  3. Prime the new pump: Before connecting the hoses, fill the pump with clean hydraulic oil to avoid a dry start.
  4. Bleed the system: After starting the engine at low revs, let the pump run without load for a few minutes to bleed the system, then shift through the directions of travel several times.

Frequently Asked Questions (FAQ)

1. What is the difference between a transmission pump and the main hydraulic pump?

The transmission pump operates in a closed circuit and is solely responsible for the operation of the gearbox (changing direction, gears, lubrication). The main hydraulic pump powers the working equipment - the loader and backhoe. These are two separate, independent systems.

2. The gearbox "jerks" when changing direction. Is it the pump's fault?

It could be. Jerking is often due to the pressure in the clutch packs building up too slowly. This can be a symptom of a wearing pump, but also of leaks at the solenoid valves, worn seals on the clutch packs, or a clogged filter.

3. Can I operate with a weak transmission pump?

It is extremely discouraged. Operating on too low a pressure causes the clutch plates to slip, which leads to them rapidly overheating, burning out, and creating a huge amount of metal filings that contaminate and destroy the entire hydraulic system of the gearbox.

Key Advantages

🛡️

Transmission Protection

Restores correct pressure and lubrication.

🎯

Smooth Operation

Eliminates jerking and delays when shifting.

📦

OEM Quality

Guaranteed perfect fit and performance.

Question mark

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.

SKX975037C
20/925552
4.20 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
TELESCOPIC HANDLER
OEM NUMBERS
20/925552

Specific References

MPN
20/925552
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Transmission pump suitable for JCB 3CX 4CX

Catalog number: SKX975037C
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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

824.10 zł

net price
670,00 zł
Available in large quantity Temporarily unavailable
670,00 zł
net price

824.10 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 67 points, it gives you 26.80 zł
  • Lowest price from 30 days before the discount: 824.10 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    TELESCOPIC HANDLER
    OEM NUMBERS
    20/925552

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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)

    Email



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