Description
There’s nothing quite like the rhythm of a disc mower cutting clean through a good stand of hay, but when your knives get dull or damaged, that smooth cutting turns into ragged tearing that hurts hay quality and slows you down. This left-hand drum knife gets you back to making clean, precise cuts that help your hay cure properly and look good in the windrow.
What You’re Getting
- Sharp, durable cutting edge made by Kondex—the name you trust for mower knives
- 7-degree twist design that creates the perfect cutting angle for smooth operation
- Counter-clockwise rotation specifically engineered for left-hand drum positions
- Precise bolt hole sizing at 0.720 inches that matches your original equipment
- 4.3-inch length with the right thickness and width to handle tough cutting conditions
Built for Real Farm Work
This knife fits a wide range of disc mowers from Kuhn, CNH brands like New Holland and Case IH, plus AGCO equipment. Whether you’re cutting alfalfa, grass hay, or mixed forage, these machines are workhorses in hay operations from small farms to large commercial operations where every acre matters.
Made to Last
Farm equipment manufacturers trust Kondex to make their cutting tools, and there’s a good reason for that. This knife is built with high-quality steel that holds its edge through thousands of acres while standing up to rocks, dirt, and the constant vibration that comes with mowing at field speeds.
Good to Know
Always replace drum knives in pairs to keep your mower balanced and cutting evenly—the right-hand pair for this knife is part number 798-RM3310. Use the proper bolt kit (RF56162 for most applications) and make sure you’ve got the drum rotation stopped completely before changing knives. A balanced mower drum runs smoother and lasts longer.






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