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Kits Turn Corn Headers Into Sorghum And Sunflower Harvesters
When Kyle Kopper, Randy Burns, and Alan VanNahmen recognized the lack of efficient and reliable harvesters for crops such as sorghum, millet, milo and sunflowers, they formed Kopper Kutter LLC and created the Alternate Rotary Rowcrop Option (ARRO), a dual disc cutter conversion kit designed for existing corn head retrofits.
“Everything we really needed was already on the corn head,” says VanNahmen. “What we didn’t need was the stalk rolls, trash knives, and deck plates.”
The trio discovered with a few simple steps they could create a head that, even in lodged crops, would cut higher, leave stalks standing for ground shade, minimize erosion, and preserve material for livestock grazing.
To make the switch, the stalk rolls and deck plates are removed from the corn head along with the factory chain guides and gathering chains. The drives (or binoculars) are also removed from the gear cases and replaced with cover plates. After drilling 2 3/4-in. holes for the disc/sprocket assemblies, new ARRO deck plates, disc/sprocket assemblies, chain guides, chains, and tensioner assemblies are installed.
VanNahmen says it takes about 2 to 3 man-hours per row unit to complete the conversion.
The kits contain everything required including blades, sprockets, bearings, new deck plates, chain guides, and hardware.
Kopper Kutter has made numerous color-matched combine model kits available covering John Deere, Case IH, New Holland, Gleaner, and Claas heads which can be shipped all across North America.
Prices for the ARRO conversion kits range between $1000 and $1440.
Contact: FARM SHOW Followup, Alan VanNahmen, Kopper Kutter LLC, 10602 St. Rd. 23, Cimarron, Kan. 67835 (ph 620-855-2988; ARRO@kopperkutter.com; www.kopperkutter.com).

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2023 - Volume #47, Issue #2