Complete Steering Tie Rod suitable for JCB 4CX 3CX 128/13949
GX-AFTER

Link track road – suitable for JCB machinery

Catalog number:SKX860105A Nr OEM:128/13949 Manufacturer:GX-AFTER
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Complete Steering Tie Rod suitable for JCB 3CX Super 4CX - 128/13949

Technical Specification and Compatibility

Complete steering tie rod assembly with part number 128/13949 from the GX-AFTER offer. It is a key steering system component, dedicated to heavy JCB backhoe loaders equipped with two steering axles (4WS). The rod is responsible for transferring force from the hydraulic cylinder directly to the wheel knuckles, ensuring steering synchronization. Robust construction with a 40 mm diameter tube guarantees resistance to bending in difficult terrain.

Part Number: 128/13949
Alternative Numbers: 126/01947, 126/02419
Component Type: Complete Track Rod Assembly
Total Length: 590 mm
Tube Diameter: 40 mm
End Threads: M28 x 1.5
Cone Dimensions: 28.90 mm / 32.40 mm
Intended for: 4WS Machines (4-Wheel Steering)
Manufacturer: GX-AFTER

GX-AFTER rods are made of high-grade forged steel, which provides the rigidity necessary to maintain correct wheel geometry, even when operating in "crab" mode with a full loader bucket load.

Features of GX-AFTER 128/13949 Rod

Massive Construction: The 40 mm diameter tube is much more resistant to impacts (e.g., against rocks or stumps) than standard rods, preventing bending.
Complete Set: The rod is supplied as a ready-to-install assembly, reducing repair time and eliminating the risk of thread mismatch.
Precise Cones: Cone dimensions (28.90 / 32.40 mm) are perfectly matched to the knuckles in JCB drive axles, preventing connection loosening.
M28 Thread: The use of a large M28x1.5 thread ensures powerful holding force and resistance to thread stripping during alignment adjustments.

Application in JCB machinery

Brand Models (with two steering axles)
JCB 3CX SUPER, 4CX

The rod fits only machines with equal wheels and two steering axles. Check length (590 mm) before purchase.

Related Parts and Hardware

After replacing the rod, wheel alignment check is necessary. It is also worth checking the condition of the steering cylinder (for leaks) and knuckle pins, as play in these areas accelerates rod wear.

⚠️ Safety Warning

A bent steering rod drastically changes wheel geometry, leading to instant tire destruction and unpredictable machine behavior on the road. Straightening rods is prohibited – the disturbed steel structure may snap at the least expected moment.

Part Role in the Machine and Failure Diagnostics

Rod 128/13949 connects the wheels of a given axle, ensuring their parallel operation.

  • › Tire scrubbing (poor alignment caused by rod bending).
  • › Steering wheel play (worn ends included in the rod assembly).
  • › Machine "pulls" to one side while driving.
  • › Visible mechanical damage to the tube (dent, bend).

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🔧 Expert Guide: Key Installation Tips

  1. Measurements: Before removing the old rod, measure its length precisely (center to center of the pins) or count the number of visible thread turns. This will allow the new rod to be preset in an approximate position.
  2. Dry Assembly: The rod cones and sockets in the knuckles must be perfectly clean and dry. Do not use grease on the conical connection!
  3. Alignment: Replacing the rod always involves the necessity of alignment setting. In 4WS machines, this is critical for the correct operation of steering modes.

Technical FAQ and Trivia

Why is the tube 40 mm thick?

In 4CX machines, the front axle acts as a pushing axle during loader bucket work. The forces acting on the wheels try to "spread" them. The thick 40 mm tube prevents the rod from buckling under these powerful forces.

What is 128/13949?

It is a complete subassembly, consisting of a connecting tube and two tie rod ends (usually one with a left thread, the other with a right thread), ready for installation.

Trivia about "Crab" mode

In "crab" mode (diagonal driving), both steering axles set the wheels in the same direction . For this mode to work correctly and not destroy tires, the length of the steering rods on both axles must be perfectly matched and adjusted.

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.

SKX860105A
128/13949
7.55 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
BACKHOE LOADER
OEM NUMBERS
128/13949 / 126/02419 / 126/01947

Specific References

MPN
128/13949
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Link track road – suitable for JCB machinery

Catalog number: SKX860105A
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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

319.19 zł

net price
259,50 zł
Available in large quantity Temporarily unavailable
259,50 zł
net price

319.19 zł

gross price
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  • You will receive 26 points, it gives you 10.40 zł
  • Lowest price from 30 days before the discount: 319.19 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    BACKHOE LOADER
    OEM NUMBERS
    128/13949 / 126/02419 / 126/01947

    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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