Description
When your flail mower starts leaving uneven strips or struggling through thick grass and brush, it’s usually time to check those side knives. These cutting blades do the heavy lifting on your Bush Hog or Brillion flail mower, and when they’re worn down, you’ll notice it right away in your cut quality. This replacement side knife gets your mower back to slicing through vegetation like it should.
What You’re Getting
- Precision-sized 4-1/2 inch blade with 5/8 inch mounting hole for secure attachment
- 1/4 inch thick steel construction that stands up to rocks, stumps, and tough brush
- 1-15/16 inch width provides the right cutting action for clean, efficient mowing
- Direct replacement design that mounts just like your original factory blade
Built for Real Farm Work
This side knife fits Bush Hog and Brillion flail mowers that use the standard 5/8 inch mounting system. Whether you’re cleaning up fence rows, maintaining ditches, or chopping down cover crops, flail mowers handle the rough stuff that would bog down a regular rotary cutter. These mowers work great for brush cutting and maintaining areas where debris and obstacles are common.
Made to Last
Flail mower blades take a beating from rocks, roots, and anything else hiding in tall grass. This AgSmart replacement is built with the same thickness and steel quality as the original, so it’ll handle the punishment and keep cutting season after season. The heat-treated edge holds up better than softer aftermarket blades.
Installation Notes
Swapping these blades is straightforward—just remove the old blade from the flail chain and bolt on the new one with the existing hardware. Make sure to check the condition of your D-rings and U-bars while you’re at it, since worn mounting hardware can cause premature blade wear. A quick tip: replace blades in sets for the most even cut.
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