CATUndercarriage

304-1890 Bottom Roller Track Roller — Cat 279C 289C

This is a bottom track roller, a vital component of the undercarriage system that supports the weight of the machine and guides the track. It is built with robust materials to withstand constant abrasion and heavy loads, ensuring smooth travel. A worn or damaged roller will typically produce noise, cause excessive vibration, and lead to accelerated wear on the track links and other undercarriage components.

Bottom Roller Track Roller – Part No 304-1890 – 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 TypeBottom Track Roller
MaterialHardened Steel
ApplicationUndercarriage Track System
Service LifeReplace as needed based on inspection and wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The operator will likely first notice increased noise, such as grinding or rumbling, coming from the undercarriage, along with noticeable vibration. This can progress to uneven track wear and a reduction in the machine's overall stability. Failure to address worn rollers can lead to track derailment and damage to other undercarriage components.

Installation Tip

Ensure the mounting bracket and bolt holes are clean and free of debris to guarantee proper seating and alignment. Do not overtighten the mounting bolts, as this can strip the threads or damage the roller assembly.

Service Note

Inspect all other track rollers, the front idler, and the final drive for wear and damage when replacing a bottom track roller.