Caterpillar Track Roller Group 620-6129 is a track roller product that supports and guides the lower track chain under working load. It is listed for Caterpillar heavy-equipment applications; use part number 620-6129 as the primary identification reference.
- Part Number: 620-6129
- Brand: Caterpillar
- Product Category: Track Roller
- Equipment Type: Excavator, Mobile Hyd Power Unit
- Compatible Models: 336D2, 336D2 XE, 340, 330D L, 336D L, 336D2 L, 336D, 336, 336 GC, 345 GC, 345, 349D2
- 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.





