15″ Great Plains Double Disc Opener

This 15-inch Great Plains double disc opener is a direct replacement opener disc for a wide range of Great Plains planters and air seeders. Designed for reliable soil penetration and consistent seed trench formation, this opener is manufactured in the USA using durable, high-quality steel.

Built to meet OEM fit and performance standards, this Great Plains planter and drill disc opener delivers dependable performance in conventional tillage, reduced tillage, and high-acreage planting applications.

✔ Fits numerous Great Plains planters and air seeders

✔ Direct replacement for OEM 404-121S

✔ American-made

Use the Machine Compatibility tab to confirm exact fitment.