CATUndercarriage

1960029 Gear As- Idler — Cat 120G 12G

This idler gear is a key component within the undercarriage drive system, facilitating the smooth rotation of the track. It is engineered to meet high wear-resistance standards, offering a reliable alternative to worn gears that can cause operational issues. Operators might observe increased drivetrain noise, sluggish movement, or premature wear on the track drive links when this gear is compromised.

Gear As- Idler – Part No 1960029 – 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 TypeIdler Gear
MaterialHardened Steel
ApplicationUndercarriage Drive System
Service LifeReplace based on wear inspection, typically 2,000-4,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indicators of a failing idler gear include audible clicking or grinding sounds during track movement and a noticeable reduction in drive efficiency. If neglected, severe wear can lead to gear tooth breakage, resulting in loss of drive power and potential damage to the track or final drive components. Continued operation risks significant mechanical failure and extended equipment downtime.

Installation Tip

Clean the mating surfaces of the drive sprocket and the new gear meticulously to ensure proper engagement. Verify the correct orientation of the gear before securing it to prevent damage during initial rotation.

Service Note

Inspect the drive sprocket, track links, and final drive seals for wear or damage when replacing the idler gear.