- Dim A (1) : 51 teeth
- Dim B (2) : 1.57" ID
- Dim C (3) : 50 chain
- Replaces : 129973A2, 129973A1
- Sections and Models:
- Headers/Platforms/Feeder House > Grain Head Parts
- Case-IH CUTTING PLATFORM: 1010
- Case-IH CUTTING PLATFORM: 1020
- Case-IH CUTTING PLATFORM: 2010
- Case-IH CUTTING PLATFORM: 2020
- Ford / New Holland CUTTING PLATFORM: 72C
- Ford / New Holland CUTTING PLATFORM: 74C
- mega-cross:
- Replaces: : 129973A2 : CASE/INTERNATIONAL HAR.
- Crossed From: : 129973A1 : IHC
- Machine Types : Cutting Platform
- Makes : Case-IH, Ford / New Holland
- Models : 74c, 72c, 1010, 1020, 2010, 2020
- Models :