CATUndercarriage

930321 Nut, Shoe — Cat 320C 320D

This is a CAT Nut, Shoe, a critical fastener used to secure track shoes to the track chain on Caterpillar equipment. Manufactured to meet rigorous OEM specifications, it provides reliable clamping force and resistance to loosening under extreme vibration and stress. Operators may notice loose track shoes, unusual clicking noises, or track instability if these nuts are failing or improperly torqued.

Nut, Shoe – Part No 930321 – 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 TypeTrack Shoe Nut
MaterialHigh-strength steel alloy
ApplicationSecuring track shoes to track chain
Service LifeReplace as needed or during track maintenance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing track shoe nut is often a clicking or rattling sound as the machine moves, indicating a loose shoe. If ignored, this can lead to the track shoe detaching, causing damage to the track chain and potentially other undercarriage components. Continued operation with loose or missing nuts risks significant downtime and safety hazards.

Installation Tip

Ensure the track chain and shoe mounting surfaces are clean and free of dirt or debris before installation. Always use a calibrated torque wrench to tighten the nuts to the manufacturer's specified torque value.

Service Note

Inspect the track shoes, track chain links, and bolts for wear and damage when replacing track shoe nuts.