Precision Grain and Seed Cleaning Equipment
Complete grain and seed cleaning systems, tailored to your operation.
Precision Cleaning, Proven Results
Bench Industries manufactures industry-leading grain and seed cleaning equipment, serving farmers and processors with custom-built solutions since 1990. Founded in Great Falls, Montana, Bench Industries is a family-owned business dedicated to high-quality grain and seed cleaning solutions. What started as a small seed plant has grown into a leading manufacturer of innovative, custom-built equipment designed to meet the demands of modern operations.
With decades of hands-on experience, we build every machine to your specifications—using your input, samples, and our expertise to ensure top performance. Quality and reliability are at the core of everything we do, and as a family-run company, we take pride in delivering personalized service and lasting relationships.
Lets talk about your Grain and Seed Cleaning needs.
Our Equipment Lineup
Portable Seed Cleaners
Self-contained, trailer-mounted units for on-site or field-based cleaning. Built for mobility without compromising capacity.
Air Screen Cleaners
Multiple Size - High-capacity machines for precision cleaning and separation of grain and seed. Fully customizable for size, screens, and airflow.
Used Equipment
Pre-owned and refurbished grain and seed cleaning equipment. All machines are inspected, serviced, and ready to go — offering quality at a lower cost.
Featured Product:
108" Air Screen Machine
More Capacity.
Same Trusted Design.
The 108” Air Screen Machine builds on the long-standing performance of our 72” model—offering increased capacity without sacrificing precision or simplicity. Ideal for operations needing more throughput, this machine is built for serious cleaning power.
High-capacity performance with adjustable air and screen separation
Available in stationary or trailer-mounted configurations
Easily paired with conveyors, gravity tables, or vibratory feeders
Equipment Partners
Why Farmers and Processors Trust Bench Industries
For over 30 years, Bench Industries has built reliable, high-performance grain and seed cleaning equipment trusted by producers, seed plants, and processing facilities across North America.
From portable air screen machines to complete custom systems, our equipment is engineered to deliver consistent results, low maintenance, and long-term value.
Backed by responsive support and decades of industry knowledge, we help customers get clean, market-ready product —bushel after bushel, season after season.