Caterpillar Swing Motor Seal Kit 126-2029 is a swing motor & gearbox product that supports upper-structure rotation and swing-drive power transfer. It is listed for Caterpillar heavy-equipment applications; use part number 126-2029 as the primary identification reference.
- Part Number: 126-2029
- Brand: Caterpillar
- Product Category: Swing Motor & Gearbox
- Equipment Type: Undercarriage, Excavator
- Compatible Models: OEMS, 320B LU, 320B S, 320B N, 320B L, 320B, 320B LL, 345B L, 320B FM LL, 345B, 320B U, 321B
- 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.





