CATUndercarriage

146-6064 Carrier Roller — Cat 302 303

This carrier roller is designed to support the upper track chain, preventing it from sagging between the front idler and rear drive sprocket. Manufactured to meet stringent quality standards, it ensures smooth track operation and longevity, unlike worn rollers that can cause excessive vibration and track wear. Operators may notice increased vibration, unusual noises from the top of the track frame, or accelerated track wear when this roller begins to fail.

Carrier Roller – Part No 146-6064 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

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.

Part TypeCarrier Roller
MaterialSteel with Rubber Seal
ApplicationUndercarriage Track Support
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing carrier roller is often an increase in vibration or a distinct grinding noise coming from the upper track area. If left unaddressed, the worn roller can cause uneven wear on the track chain and potentially damage the track frame. Continued operation with a faulty roller risks premature failure of the entire track system, leading to costly repairs and downtime.

Installation Tip

Clean the mounting surfaces thoroughly before installing the new roller to ensure a secure fit and prevent contamination. Avoid overtightening the mounting bolts, as this can damage the roller bearings or the track frame.

Service Note

Inspect track chains, idlers, and drive sprockets for wear and proper alignment when replacing carrier rollers.