CATUndercarriage

1686690 Spring — Cat 311c 312c L

This spring is a vital part of the undercarriage system, providing the necessary tension to keep the track properly aligned and engaged. Manufactured to exacting standards, it offers superior resilience and longevity compared to a worn or fatigued spring. Operators may observe a loose track, increased vibration, or unusual noises from the undercarriage when this spring begins to lose its effectiveness.

Spring – Part No 1686690 – 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 TypeSpring
MaterialHigh-tensile steel
ApplicationUndercarriage Track System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing spring will first manifest as a noticeable slackening of the track, potentially leading to increased vibration and noise. If ignored, the track may begin to derail, causing operational interruptions and potential damage to the track and surrounding components. Continued use risks significant undercarriage damage and extended equipment downtime.

Installation Tip

Ensure the track adjuster system is clean and free of debris before installing the new spring to prevent binding. Do not force the spring into position; it should align with its mounting points smoothly.

Service Note

Inspect the track adjuster cylinder, seals, and recoil mechanism for leaks or damage when replacing this spring.