- Dim A (1) : 23 Teeth
- Dim B (2) : 12 Spline
- Sections and Models:
- Transmission & Rear Axle > Trans: Forks, Gears, Shafts
- Allis-Chalmers TRACTOR: 180
- Allis-Chalmers TRACTOR: 185
- Allis-Chalmers TRACTOR: 190 (SN 9001>)
- Allis-Chalmers TRACTOR: 200
- Machine Types : Tractor
- Makes : Allis-Chalmers
- Models : 200, 190, 180, 185
- Models :