Description
Aftermarket Crankshaft. Direct replacement for OEM AT18030F.
Fits These Models
John Deere — Tractor
- 1640
- 2040S
- 2140
- 4039DF001
- 4039TF001
- 4239A
John Deere — Power Unit
- 4039D
- 4039T
- 4045D
- 4045DF001
- 4045TF001
- 4239D
OEM Cross-Reference Numbers
AT18030F
Please verify fitment against your equipment’s serial and engine casting numbers before ordering. Cross-references are provided as a guide; the customer is responsible for confirming compatibility.









