CATUndercarriage

2P6128 Pulley — Cat 120B 140G

This is a CAT Pulley, a critical component in various drive systems, often found in the engine or accessory drive train. It is manufactured to meet high-quality standards, ensuring smooth rotation and efficient power transfer, unlike worn pulleys with damaged grooves or bearings. Operators may notice increased belt noise, slipping belts, or accessory malfunction when a pulley begins to fail.

Pulley – Part No 2P6128 – 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 TypePulley
MaterialCast Iron
ApplicationAccessory Drive System
Service LifeReplace as needed based on wear inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

A failing pulley often begins with an audible squealing or grinding noise from the engine bay, especially when the engine is running. If ignored, the pulley bearing can seize, causing the belt to break or slip excessively, leading to the failure of driven accessories like the alternator or water pump. This can result in overheating or loss of electrical power.

Installation Tip

Ensure the new pulley is perfectly aligned with the other pulleys in the drive system before tightening the mounting hardware. Do not reuse old mounting bolts if they appear stretched or damaged.

Service Note

When replacing a pulley, always inspect the drive belt for cracks, fraying, and proper tension, and check the condition of the accessory it drives.