Description
When you’re cutting hay and notice your mower leaving ragged stems or missing grass completely, chances are you’ve got dull or damaged knives on your disc drums. This left-hand drum knife is engineered with an 18-degree twist that gives you a clean, precise cut while moving material efficiently through the cutting chamber.
What You’re Getting
- 18-degree twist design that cuts cleanly and moves crop material smoothly
- Counter-clockwise rotation built for left-hand drum positions
- 4.75-inch length and 2-inch width sized for optimal cutting performance
- KONDEX quality construction that stands up to rocks, stumps, and tough cutting conditions
- Direct replacement design that bolts right on with your existing hardware
Built for Real Farm Work
This knife fits a wide range of AGCO Hesston, Bush Hog, and New Idea disc mowers—the workhorses you count on for cutting hay, pasture, and roadside maintenance. Whether you’re making first cutting in thick alfalfa or cleaning up fence rows, these knives handle the tough stuff while giving you the clean cut quality your livestock deserves.
Made to Last
KONDEX makes these knives from high-carbon steel that holds an edge and resists the nicks and chips you get from hitting the inevitable rock or root. The 18-degree twist isn’t just for show—it reduces power requirements while improving material flow, which means less stress on your tractor and smoother operation in heavy crops.
Good to Know
You’ll need the RF527K bolt kit to mount this knife properly. When you’re replacing knives, it’s smart to do the whole drum at once so you maintain balance and cutting consistency. Always check drum clearances after installation and make sure all fasteners are properly torqued before heading to the field.


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