Caterpillar C9 Reman Engine 20R-1781 is a engine assembly product that provides a complete or service-ready engine replacement configuration. It is listed for Caterpillar heavy-equipment applications; use part number 20R-1781 as the primary identification reference.
- Part Number: 20R-1781
- Brand: Caterpillar
- Product Category: Engine Assembly
- Equipment Type: Excavator, Mobile Hyd Power Unit
- Compatible Models: M330D, 336D2, 336D LN, 336D2 GC, 340D L, 336D2 L, 330D MH, 330D LN, 340D2 L, 330D L, 336D L, 330D, 330D FM, 336D
- 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.





