Dim A (1)
21 Spline
Dim B (2)
4.780" Long
Fits the following makes and models:
Allis-Chalmers TRACTOR: 5670
Allis-Chalmers TRACTOR: 5680
Allis-Chalmers TRACTOR: 6670
Allis-Chalmers TRACTOR: 6680
Allis-Chalmers TRACTOR: 6690
Allis-Chalmers TRACTOR: 7600
Allis-Chalmers TRACTOR: 7650
Allis-Chalmers TRACTOR: 8610
Allis-Chalmers TRACTOR: 8630