3CX, 4CX
The axle mounting bolt is a critical structural component that connects the front axle cradle to the machine's frame. It carries enormous forces and dynamic loads. If you hear loud knocking from the front of the machine, feel excessive play in the axle, or the bolt is visibly loose or broken, these are classic signs of wear. Operating with a damaged bolt is extremely dangerous – in the worst-case scenario, it can lead to the entire axle detaching from the machine frame, resulting in a catastrophic failure.
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Highest Strength (Grade 10.9)
Maximum safety
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Precise Thread
Secure and stable mounting
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Corrosion Protection
Long thread life
The accuracy and quality of materials guarantee long and trouble-free use without the need for frequent replacement.
The bolt is fully adapted to work with the original frame and axle cradle, ensuring a consistent and safe repair.
The GX-AFTER brand is a proven and safe alternative that offers quality comparable to original parts at a much better price.
Axle mounting bolts are single-use items. They stretch slightly when torqued to specification. Reusing them risks breakage.
Tighten the nut to the manufacturer's recommended torque. Insufficient torque risks loosening, while excessive torque can cause the bolt to shear.
To ensure even clamping force and safety, always replace all axle cradle mounting bolts at the same time.
The cause of bolt failure is often excessive play in the axle pivot pins and bushes. Inspect their condition during replacement.
Answer: It's very likely if the bolts are loose. The clunking could also come from worn pins and bushes in the axle pivot, which should be checked first.
Question: Why can't I reuse my old bolt?Answer: High-tensile bolts like this are designed to stretch slightly when torqued to spec. Once removed, they lose this property and reusing them risks material fatigue and breakage.
Question: What is the correct tightening torque for this bolt?Answer: The torque is critical and varies depending on the axle and machine type. It must be checked in the service manual. Incorrect torque is the most common cause of damage.
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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