Caterpillar Track Roller Group 491-3844 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 491-3844 as the primary identification reference.
- Part Number: 491-3844
- Brand: Caterpillar
- Product Category: Track Roller
- Equipment Type: Excavator
- Compatible Models: 340, 336D2 GC, 336, 336 GC
- 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.





