Caterpillar Drive Group-Swing 505-4780 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 505-4780 as the primary identification reference.
- Part Number: 505-4780
- Brand: Caterpillar
- Product Category: Swing Motor & Gearbox
- Equipment Type: Excavator, Mobile Hyd Power Unit
- Compatible Models: MH3040, 330, 330 MHPU
- 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.





