Prevent Injuries. Increase Productivity.

Arnold Company proudly manufactures the Door Demon® line of railcar openers, hopper trailer
openers, and vibration solutions; American-made options designed to
improve safety and productivity.

Arnold Company News

Improved Ride-On, Beam Mounted Railcar Hopper Gate Opener Features Speed, Efficiency and Safety

The new and improved railcar hopper gate opener increases safety and productivity in high-volume railyards as operators now control the automated Ride-On Beam Mounted unit from a seated position. The Evolution of the Multi-Position Hopper Gate Opener...
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GEAPS Exchange 2022 & Arnold Company Feature Safety and Innovation

As changing trends and developments continue to impact the grain trade, businesses are seeking the biggest and best safety equipment and solutions to protect their operators and workforce.  Luckily, one event continues to provide direct access to...
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How to Open Hopper Trailer Gates Safely

Learn step-by-step how using the Door Demon® Hopper Trailer Opener (HTO) not only makes the job of opening hopper trailer gates or traps safer, but easier and more efficient. Key features of the HTO The HTO motor...
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Unload Grain Trailers Safely and Efficiently During an Active Harvest

During an active harvest, speed up the unloading process while improving the safety of your operators using our air-powered Hopper Trailer Opener and Vacuum Mounted Vibrator equipment combination.  Unload Grain Trailers Safer, Faster, and Easier Unload grain...
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Case Study: Prevent Boxcar Damage and Improve Safety

Concerns over improving operator safety and preventing boxcar damage lead a Florida-based food manufacturer to equip 7 facility locations with the Door Buster Combination Boxcar Opener. Safer for Operators, Easier on Boxcars   Oftentimes on aging boxcars,...
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Durable Solutions for Challenging Unloading Tasks

Prepare your operators who face repetitive, challenging unloading tasks with durable equipment that gets the job done safely and improves productivity. Using unreliable unloading equipment can make the job of material receiving much more difficult than necessary....
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Arnold Company:
Our Commitment to You

Albert B. Middeke Jr.“With safety and productivity always in mind, we take pride in our product selectionproduct qualityshort lead times, and personalized customer service! We offer our customers safe solutions to their Hopper Gate and Boxcar Opener needs, and we stand behind our products!”

Albert Middeke, President Arnold Company

Clients Served
Customer Testimonial
"Everyone was very courteous, helpful and the response was quick. Delivery time has excellent, it is certainly a joy to with an organization such as yours."
W. McCawley
International Paper