3CX, 4CX
The 4WD propshaft transmits power from the transmission to the front drive axle. If you experience strong vibrations, hear metallic knocking or "clanking" from under the machine, especially when engaging 4WD or changing direction, these are classic symptoms of a damaged shaft or its U-joints. Continuing to operate with a damaged propshaft leads to the destruction of seals and bearings in the transmission and front axle, generating huge costs.
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OEM Quality - SPICER
Guarantee of the highest protection
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Precision Balancing
Smooth, vibration-free operation
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High Torsional Strength
Reliable power transfer
A precision-balanced shaft protects much more expensive components - the transmission and front axle - from damage caused by vibrations.
Replacing the complete, factory-new shaft eliminates knocks and vibrations, restoring the machine's original operating comfort.
Using OEM quality parts is the best way to avoid unforeseen breakdowns and costly downtime.
Even if the shaft is new, U-joints should be treated as wear items. We recommend installing the shaft with new U-joints for maximum durability.
Before installing the new shaft, thoroughly check the condition of the U-joint bores in the gearbox and axle flanges. If they are worn, they must be replaced.
Tighten the flange mounting bolts to the manufacturer's recommended specification.
Regular lubrication of the U-joints with high-quality grease, such as HYPTRON, is crucial for the lifespan of the entire propshaft.
Answer: Yes, it is very likely. Worn U-joints or an unbalanced shaft are the most common causes of vibrations in the drivetrain.
Question: Can I just replace the damaged U-joint instead of the whole shaft?Answer: Yes, but only if the U-joint is worn and the yokes on the shaft are not damaged. If the yokes are worn, replacing the entire shaft is the only long-term solution.
Question: Why is it worth choosing a SPICER shaft?Answer: Spicer (Dana Spicer) is the original equipment manufacturer for JCB's drivetrain systems. By choosing this product, you are 100% sure that you are getting a part with the same quality and parameters as the one installed in the factory.
If you are unsure whether the selected product is suitable for your machine, contact us and we will help you choose the right part and provide practical advice in minutes.
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Application: JCB 3CX, 4CX backhoe loaders

















