Hydraulic pump 33/22 suitable for JCB 3CX
FEK

Hydraulic pump 33/22 suitable for JCB 3CX

Catalog number:SKX974579FK Nr OEM:919/71400 Manufacturer:FEK
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TANDEM HYDRAULIC PUMP 33/22 (FEK) SUITABLE FOR JCB 3CX - 919/71400

Technical Specification and Compatibility

A key component of the working hydraulics system – a dual-section (tandem) 33/22 gear pump by FEK. Designed for older models of JCB 3CX backhoe loaders. The pump is responsible for generating pressure for the entire system, powering the backhoe arm and the loader. It features a precision-made 1.125" (28.8mm) parallel keyed shaft and has a counter-clockwise (CCW) rotation.

Part number: 919/71400
Alternative part numbers: 919/66800
Displacement (Section 1): 33 cc/rev (33L/Min per 1000 rpm)
Displacement (Section 2): 22 cc/rev (22L/Min per 1000 rpm)
Rotation: Counter-Clockwise (CCW, looking from shaft end)
Shaft: 1.125” (28.8mm), parallel keyed shaft
Mounting Flange: SAE B, 2 hole
Inlet: Combined 2” SAE flange
Outlet (Front Section): 3/4" BSPP threaded
Outlet (Rear Section): 5/8" BSPP threaded

FEK HYDRAULIC is a trusted supplier of comprehensive power hydraulics solutions. We offer a wide range of products, from pumps and motors to valves and cylinders, which are characterized by solid workmanship and reliability. Our parts are a proven choice for those looking for efficient and economical solutions for their machines.

Essential for Installation

  • › REDX Hydraulic Filters: You must replace all hydraulic filters to protect the new pump.
  • › HYPTRON Hydraulic Oil: A pump replacement is the perfect time to change the hydraulic oil.
  • › Gaskets and O-rings: Ensure 100% sealing on suction and pressure lines.

Application in machines

Brand Type / Series / Model
JCB Backhoe Loaders: 3CX (Older models)

The list above is for reference. We recommend verifying the part number on your old pump's housing and confirming the specifications (shaft, ports, rotation) before purchasing.

⚠️ Safety Warning

Before removing the pump, ensure all pressure in the hydraulic system is fully released (e.g., by lowering attachments and moving controls with the engine off). Hydraulic oil under pressure can pierce the skin. Secure the machine against rolling.

Part's Role in the Machine and Failure Diagnostics

The hydraulic pump is the heart of the machine, converting the engine's mechanical power into hydraulic oil pressure. Its failure immobilizes the entire machine. The most common cause of failure is contaminated oil or running "dry" (cavitation).

  • › Loud pump operation (whining, "grinding"), indicating cavitation or bearing damage.
  • › Very slow hydraulic operation despite high engine RPM.
  • › Loss of power, machine cannot lift weight or "stalls" under load.
  • › Rapid overheating of the hydraulic oil.

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🔧 Expert's Guide: Key Installation Tips

  1. Cleanliness is key: 90% of pump failures are due to contamination. Before installation, ensure the hydraulic tank and lines are perfectly clean.
  2. Mandatory replacement: Always replace the pump along with a complete set of hydraulic filters (e.g., REDX filters) and new hydraulic oil (e.g., HYPTRON oil). This is critical for the warranty, as metal fragments from the old pump will destroy the new one.
  3. Prime the pump: Never start the pump "dry". Before the first start-up, fill the pump and suction line with clean hydraulic oil.
  4. Bleed the system: After starting the engine at low RPM, let the machine run for a few minutes without load to bleed the system, then perform slow, full cycles of all cylinders.

Frequently Asked Questions (FAQ)

1. What is a 33/22 pump?

This is a dual-section (tandem) pump. It means two separate pumping mechanisms are in one housing. The first section has a displacement of 33cc/rev, and the second has 22cc/rev. This allows it to power two independent hydraulic circuits (e.g., one for the loader, one for the backhoe) from a single drive.

2. What does "CCW" rotation mean?

CCW (Counter-Clockwise) means that when looking at the pump shaft, it rotates to the left (counter-clockwise). Installing a pump with the wrong rotation will destroy it instantly.

3. Why must I change oil (e.g., HYPTRON) and filters (e.g., REDX)?

Failure of the old pump almost always means that metal particles (debris) have entered the hydraulic system. Leaving the old oil and filters will cause this debris to be immediately sucked into the new pump, destroying it within minutes or hours. Replacing filters and oil is absolutely critical for the longevity of the new pump and is a condition of the warranty.

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.

SKX974579FK
919/71400
28.00 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
919/71400 / 919/66800

Specific References

MPN
919/71400
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Hydraulic pump 33/22 suitable for JCB 3CX

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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

4,303.77 zł

net price
3499,00 zł
Last pieces Temporarily unavailable
3499,00 zł
net price

4,303.77 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 350 points, it gives you 140.00 zł
  • Lowest price from 30 days before the discount: 4,303.77 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    919/71400 / 919/66800

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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
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    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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