Caterpillar Track Sprocket 304-1870 is a sprocket product that transfers final-drive torque into the track chain. It is listed for Caterpillar heavy-equipment applications; use part number 304-1870 as the primary identification reference.
- Part Number: 304-1870
- Brand: Caterpillar
- Product Category: Sprocket
- Equipment Type: Track Loader
- Compatible Models: 259D, 249D3, 259B3, 239D3
- 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.





