Koyker Manufacturing
Koyker Manufacturing, a division of Sioux Steel Company, is known for manufacturing high quality front end loaders, FlexStor grain bagging equipment and attachments for your tractor.
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FlexStor Bagger/Unloader
Bagging grain is simple and quick with the FlexStor grain bagging system.
Flat Grain Storage
Pro·Tec Buildings are available in open span widths up to 200 feet and can hold over 5 million bushels grain!