
Farm Duty Motors Built for Punishment
Dust, moisture, and 18-hour run times destroy ordinary motors. Our farm and agricultural duty motors are designed for rigorous wear across large operations, and they ship same day, nationwide.
Six Categories of Farm Motor in Stock
Every energy-saving motor we sell meets NEMA and EPAct efficiency standards.
Same-Day Shipping to the Farm, Anywhere in the Country
A dead crop dryer motor during harvest isn't an inconvenience. It's money rotting in the bin. We've supplied farm operations with motors and parts for over 80 years, and our shipping runs on that urgency: orders placed by noon ship same day by FedEx or freight.
Know the spec? We'll pull it. Don't know the spec? Send photos and our staff will figure it out. Call (314) 531-1888.

Advice from the Counter
20 Top Motor Brands. One Counter.
Plus AO Smith, LAU Industries, Mars, MasterDrive, McMillan Electric, Universal Electric, Wolong, and World Wide.
"What an amazing family business they have! There's a reason businesses all over the Midwest have trusted CEMSI for decades."Jeremy R. Midwest business
"With only a few pictures, Doug was able to match a vintage motor over 50 years old. Had a new one in stock, and the staff even configured the wiring for a minimal fee."Grant G. Vintage motor match
"You will not find an electric motor shop more knowledgeable and better stocked than Commercial. 20-year customer and their knowledge always impresses me."James H. 20-year customer
Frequently Asked Questions
What makes a motor 'farm duty'?
Do your farm motors meet efficiency standards?
How fast can you get a motor to my operation?
Motor Down? Pick It Up Today or We'll Ship It Today.
Grab it at our Midtown St. Louis counter, or call before noon and in-stock motors and parts go out same day, anywhere in the country.
Call (314) 531-1888 Now