This top roller serves to guide and support the excavator's track, ensuring it remains properly aligned and reducing wear on the undercarriage components. Manufactured with hardened steel and sealed bearings, it provides robust performance against dirt and impacts, unlike a worn roller with a compromised seal or pitted surface. Operators may experience increased vibration, unusual noises from the track area, or accelerated track wear when this component is failing.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
From the same category — may also be needed
Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A failing top roller typically first manifests as an audible squeaking or grinding sound as the track moves over it. If this issue is not addressed, it can lead to increased vibration felt throughout the machine and accelerated wear on the track chain and other undercarriage components. The worst consequence is potential track derailment, leading to significant downtime and repair costs.
Ensure the mounting surface is clean and free of debris before installing the new roller to guarantee a proper seal. Avoid over-tightening the mounting bolts, as this can distort the roller body or damage the threads.
Check the track tension and inspect the condition of the idlers and drive sprockets when replacing top rollers.