CATUndercarriage

2979143 Track Adjuster & Recoil Gp — Cat 311d Lrr 311F Lrr

This is a complete Track Adjuster & Recoil Group, a complex assembly responsible for maintaining optimal track tension and absorbing shock loads in the undercarriage. Manufactured to meet rigorous OEM standards, this assembly ensures consistent performance and longevity, outperforming worn or damaged units. Operators may observe a track that is too loose or too tight, excessive noise, or uneven wear on track components if this assembly is malfunctioning.

Track Adjuster & Recoil Gp – Part No 2979143 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 TypeTrack Adjuster & Recoil Assembly
MaterialHardened Steel, Cast Iron
ApplicationUndercarriage Track Adjustment System
Service LifeReplace based on inspection of wear and function, typically 3,000-5,000 hrs
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of failure include difficulty in adjusting track tension, or a track that constantly loosens or tightens unpredictably. If left unaddressed, this can lead to uneven track wear, damage to the track frame, and potential track derailment. A malfunctioning recoil group significantly compromises the undercarriage's ability to absorb impact, risking damage to other vital components.

Installation Tip

Thoroughly clean the track frame mounting surfaces to ensure a proper seal and prevent leaks. Avoid forcing the assembly into place; ensure proper alignment before securing fasteners.

Service Note

Inspect track chains, rollers, idlers, and the track frame for wear or damage when replacing the track adjuster and recoil group.