A reliable Grain Cleaner Is Now Within Reach
Discover what our machines can do for you.
• Remove aflatoxin, vomitoxin, fusarium, ergot, weed seeds, thins, cracks, splits, wild oats, chaff, stems, and other foreign matter from your crops.
• Clean grain to seed and food grade quality.
• Separate grain mixtures from multi-species intercropping.
A multi-function winnowing machine
Meet the
Metra Grain Separator
The Metra Grain Separators are multi-function winnowing machines that accomplish cleaning and grading grain simultaneously in one pass, performing functions equal to several other machines. So many outstanding features are not found on any other single machine.
Rentals available for the Metra Grain Separators.

A compact but mighty little giant.
The WS Grain Cleaner is the no frills, no bells and whistles grain cleaning machine for farmers and grain mills alike. Multiple thousands of these Sosnowski grain cleaning machines are in use today. They are made of quality components and operate for many years without fail. These economical and compact grain cleaners offer speed and efficiency to optimize the cleaning process.
Meet the
WS Grain Cleaner
“I love my little grain cleaner, especially how simple it is to operate it.”
- Nick A., KS
"This machine makes other grain cleaners look sick." -Anonymous, Canada
“Really happy with my grain cleaner both with my corn and rye. Very quick and efficient compared to conventional cleaners.” - Luke L., PA
“I’m grateful that you make a grain cleaner that’s affordable so that even the small farmers can afford to clean their own grain.” -Guy S., WA
We know how important it is for farmers to have durable machines that will get the job done on time without any downtime. Machines with no moving components means no parts or mechanical maintenance is needed. Our machines have the best warranty in the industry. We use these machines to clean our own crops as well as for others. We know how important it is to optimize our efforts in the field by cleaning our own seed, to sell our crop for the best price, and to be able to do so on our own schedule. We also know how important it is to keep things honest and realistic. That is the kind of anytime, long term service we will aim to offer you if you trust us with a purchase.
We Aim To Treat Others
Like We Want To Be Treated
![]() ISM Installation | ![]() WS 1500 Setup | ![]() ISM Grain Setup Inside Building |
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![]() ISM Grain Separator Inside Grain Storage Building | ![]() ISM 50 Grain Separator | ![]() ISM 50 Mobile Unit |
![]() ISM 10 Setup | ![]() WS 730 Setup | ![]() WS 330 |
![]() Say NO to him. Do your own.Custom grain cleaner. |