This lower roller, also known as a track roller or bottom roller, is essential for the excavator's undercarriage system, providing support and guiding the track. Manufactured to exacting standards, it offers robust performance and longevity, outperforming worn rollers that may exhibit surface damage or bearing failure. Operators might observe increased track noise, a rougher ride, and potential track instability as symptoms of a compromised lower roller.
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 lower roller will typically manifest as increased grinding or squealing noises from the undercarriage and a noticeable increase in vibration. If the issue progresses, the roller may seize, causing severe wear on the track chain and potentially leading to track derailment.
Ensure all mounting hardware is clean and properly lubricated before installation to prevent seizing. Do not overtighten mounting bolts, as this can damage the roller's seals and lead to premature failure.
Inspect the track chain for wear and proper tension, and check the condition of the drive sprocket and idler when replacing lower rollers.