Ripple and Bubble Coulters
For a less dramatic effect on soil disturbance, Nichols ripple and bubble coulters are a wise choice.
Ripple Coulter Blades
for Allis Chalmers
| Size | Center Hole | Bolt Holes | Bolt Circle | Gauge | Part Number | Weight (lbs) |
| 20" | 1-13/16" | six 13/32" | 3-1/4" | 7 | 20450AC | 14.3 |
For BlueJet, DMI, Marliss, Melroe, Progressive, Sunflower, Thurston, Tye, UFT (new), Wilrich
| 17" | 3-11/16" | four 17/32" | 5" | 8 | 17400DMI | 8.9 |
| 20" | 3-11/16" | four 17/32" | 5" | 7 | 20450DMI | 14.3 |
| 20" | 3-11/16" | four 17/32" | 5" | 7 | 2045PDMI* | 14.3 |
| 20" | 3-11/16" | four 17/32" | 5" | 7 | 20500DMI* | 14.3 |
| 20" | 3-11/16" | four 17/32" | 5" | 6 | 20450BJ** | 23.8 |
| 24" | 3-11/16" | four 17/32" | 5" | 6 | 24500DMI* | 23.8 |
For Case (prior to White)
| 20" | 3-3/4" | six 13/32" | 5" | 7 | 20450CASE | 14.3 |
For Deere (5-Hole)
| 20" | 2-1/8" | five 17/32 " | 4-3/4" | 7 | 20450JDM | 14.3 |
For Deere (6-Hole)
| 17" | 2" | six 13/32" | 3-1/2" | 8 | 17400JDNU | 8.9 |
| 20" | 2" | six 13/32" | 3-1/2" | 7 | 20450JDNU | 14.3 |
For Ford, Great Plains, Kinze, Krause, New Holland, White, Yetter
| 16" | 4" | four 17/32" | 5-1/4" | 8 | 16400WFE | 8.0 |
| 17" | 4" | four 17/32" | 5-1/4" | 8 | 17400WFE | 8.9 |
| 20" | 4" | four 17/32" | 5-1/4" | 7 | 20450WFE | 14.3 |
| 20" | 4" | four 17/32" | 5-1/4" | 7 | 2045PWFE* | 14.3 |
| 20" | 4" | four 17/32" | 5-1/4" | 7 | 20450WFES** | 14.3 |
For International Harvester (w/ rectangular center hole)
| 20" | rectangle | six 11/32" | 3-1/4" | 7 | 20450IHC | 14.3 |
For Massey Ferguson
| 20" | 3-1/4" | four 15/32" | 4-3/4" | 7 | 20450MF | 14.3 |
For Orthman
| 20" | 2-3/4" | four 13/32" | 4-1/4" | 7 | 20450OR | 14.3 |
For UFT (old)
| 17" | 2-1/2" | four 17/32" | 4" | 8 | 17400UFT | 8.9 |
Bubble Coulter Blades
For Case, Ford, Great Plains, Oliver, White, Yetter
| Size | Center Hole | Bolt Holes | Bolt Circle | Gauge | Part Number | Weight (lbs) |
| 17" | 4" | four 17 /32" | 5-1/4" | 8 | B17400WFE | 8.7 |
For Deere
| 17" | 2" | six 13/32" | 3-1/2" | 8 | B17400JDNU | 8.7 |

