Caterpillar Track Sprocket 221-0010 is a sprocket product that transfers final-drive torque into the track chain. It is listed for Caterpillar heavy-equipment applications; use part number 221-0010 as the primary identification reference.
- Part Number: 221-0010
- Brand: Caterpillar
- Product Category: Sprocket
- Equipment Type: Excavator
- Compatible Models: 320D2 FM, 320C FM, 320D FM, 320D, 320D FM RR
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





