20″ John Deere Spherical Disc

This 20-inch John Deere spherical disc is a heavy-duty replacement tillage disc blade designed for use on John Deere equipment, including 2310 and 2330 tillage tools, as well as select MaxEmerge® planter applications. The spherical (concave) disc design promotes effective soil mixing and residue incorporation while maintaining consistent cutting performance in demanding field conditions.

Manufactured in the USA from high-quality steel, this John Deere-compatible spherical disc delivers reliable performance in primary and secondary tillage operations.

✔ 20″ spherical (concave) disc blade

✔ Fits John Deere tillage and select planter applications

✔ Fits Allis Chalmers, Ford, White

✔ Designed for consistent soil engagement and durability

✔ American-made

Use the Machine Compatibility tab to confirm exact fitment.

$51.00

PRODUCT INFORMATION (CALL OR TEXT)

SKU:OS-99920003

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Description

SKU: OS-99920003

  • Commonly used as a replacement 20″ spherical disc blade on John Deere 2310 and 2330 tillage equipment and select MaxEmerge® planter applications
  • Replaces John Deere OEM part numbers N330738, N231991.
  • Replaces White OEM part number W238156B
  • Spherical disc design helps improve soil penetration, residue incorporation, and consistent tillage performance.

Part of our lineup of American-made tillage blades

Additional information

Weight 18.25 lbs
Dimensions 20 × 20 × 2 in

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