ExcaTrack

Caterpillar (CAT) Excavator Sprockets

Aftermarket sprockets (drive sprocket) for Caterpillar (CAT) excavators. This page lists 2 OEM part numbers, so you can match your machine to the right number and ask for a quote.

Drive sprockets transfer final drive torque into the track chain bushings. One-piece and segment types available.

CAT sprocket part numbers by model

ModelOEM part numberAlso fitsClass
CAT 320B6Y-489832020 t
CAT 320C8E-9805320B, 320D20 t

When to replace sprockets

  • Teeth hooked or pointed
  • Teeth thinned at the root so the bushings climb the tooth
  • A cracked or broken tooth
  • Loose or sheared mounting bolts

What to confirm before ordering

  • Tooth count
  • One-piece sprocket or bolt-on segments
  • Number of bolt holes and bolt circle diameter
  • Chain pitch, which must match your track chain

Part numbers can change within a model series. If your model is not listed, or you are unsure, send the OEM number or machine serial number and we will check it.

Ordering

MOQ10 pcs per part number; mini excavator parts (up to 6 t) from 1 set per machine
Lead time7–25 days, depending on part type and quantity
Warranty12 months
PaymentT/T, L/C
Shipping portXiamen

More CAT parts

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