CATUndercarriage

381-3033 Sprocket — Cat 301 7Dcr

This sprocket is a toothed wheel that engages with a chain or track to transmit rotational motion and power, crucial for the undercarriage propulsion system. It is engineered to meet high wear-resistance standards, offering superior longevity compared to worn sprockets that exhibit rounded teeth and reduced chain engagement. Operators may observe increased track noise, excessive track slack, or accelerated track wear when a sprocket is failing.

Sprocket – Part No 381-3033 – 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 TypeDrive Sprocket
MaterialHardened Steel
ApplicationUndercarriage Drive System
Service LifeReplace based on track wear inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of sprocket wear is often an increase in the noise level from the undercarriage during operation. If neglected, the wear will progress, leading to poor track engagement and potentially causing the track to derail. Continued operation with a worn sprocket significantly accelerates wear on the entire undercarriage system.

Installation Tip

Ensure the final drive output shaft splines are clean and free of debris before mounting the new sprocket. Do not overtighten the sprocket mounting bolts, as this can damage the threads or the sprocket itself.

Service Note

Inspect track chains, idlers, and rollers for wear and proper alignment when replacing the drive sprocket.