Description
When your disc blades start looking more like smooth wheels than cutting tools, you know it’s time for replacements that’ll actually slice through residue instead of just rolling over it. This 22-inch notched disc blade brings aggressive cutting action back to your harrow, turning tough corn stalks and tangled cover crop into properly sized pieces that’ll break down instead of causing problems come spring planting time.
What You’re Getting
- Aggressive notched edge design that creates a scissor action to slice through tough stalks and matted residue
- Heavy-duty 1/4-inch thickness provides the beef needed for long service life in rocky ground and heavy residue
- Standard 2.00-inch concavity creates proper soil-throwing action that buries residue and levels fields effectively
- Single punch mounting hole designed to fit 1-1/2 inch round axles with appropriate spacing requirements
- Direct replacement for John Deere Q31446 – no modifications or adapters needed
Built for Real Farm Work
Notched blades excel in heavy residue but can be too aggressive in light soils or minimal trash conditions. Many operators run notched blades on front gangs for cutting, smooth on rear for finishing. This blade is perfect for disc harrows working through substantial crop residue, especially in no-till and minimum-till operations where you need that aggressive cutting action to size material properly.
Made to Last
Farm equipment takes a beating, and disc blades are no exception. This one’s built with quality steel that maintains proper hardness to hold an edge through acres of tough tillage work, while staying tough enough to handle the occasional field stone without shattering. The 1/4-inch thickness gives you the durability needed for season after season of reliable performance.
Good to Know
The single punch mounting means checking for elongated holes from wear – loose blades wobble and wear prematurely. When replacing blades, never mix worn and new on the same gang – the diameter difference creates uneven cutting that leaves mohawk strips. A quick tip: when storing disc harrows, coat blade edges with used oil to prevent rust pitting that ruins cutting ability.
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