VolvoUndercarriage

7257873 — Top Roller Carrier 1180-9221 7257873 For Volvo Ec25 Ec27C Ec30 Ec35D Ecr25D Ecr28 Ecr35D Ecr38 Ecr40D Bobcat E26 E27 E27Z Excavator

This top roller carrier, also known as a track roller or guide roller, is an essential part of the excavator's undercarriage, supporting the track chain and preventing it from excessive movement. Manufactured to high standards, it ensures smooth operation and longevity, unlike a worn carrier roller that can cause track misalignment and premature wear on other components. Observable symptoms of a failing carrier roller include increased noise, vibration, and potential track derailment.

Top Roller Carrier 1180-9221 7257873 For Volvo Ec25 Ec27C Ec30 Ec35D Ecr25D Ecr28 Ecr35D Ecr38 Ecr40D Bobcat E26 E27 E27Z Excavator – Part No 7257873 – Volvo Spare Part
Part Specifications
BrandVolvo
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 TypeTop Roller Carrier
MaterialHardened steel
ApplicationExcavator track system
Service LifeReplace as needed based on inspection
CompatibilityVolvo/Bobcat specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An initial symptom of a worn top roller carrier is a noticeable increase in noise and vibration from the undercarriage during operation. If left unaddressed, the roller can seize or break, leading to severe track damage and potentially causing the track to come off. Continued operation with a faulty carrier roller significantly accelerates wear on the track chain and other undercarriage components.

Installation Tip

Before installing, thoroughly clean the mounting surfaces and ensure all hardware is in good condition. Do not reuse worn mounting bolts, as this can lead to improper seating and premature failure.

Service Note

When replacing a top roller carrier, inspect the track chain for wear, check the tensioning system, and examine the idler and drive sprockets for damage.