- Dim A (1) : 20 Teeth
- Dim B (2) : 6 Spline
- Dim C (3) : 9.940" Dia.
- Sections and Models:
- Transmission & Rear Axle > Clutch Related Parts
- John Deere TRACTOR: 620
- John Deere TRACTOR: 630
- mega-cross:
- Replaces: : JDS478 : STEINER
- Machine Types : Tractor
- Makes : John Deere
- Models : 630, 620
- Models :