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.
Hopper Gate Openers

Allow a single operator to
safely and efficiently
open and close hopper gates

Boxcar Openers

Improve overall productivity
and keep operators at a
safe distance from the hazards
of opening boxcar doors

Hopper Trailer Opener

Open hopper trailer gates
easily and effectively with the
world’s first handheld, air-
powered Hopper Trailer Opener

Vibration Solutions

Browse from a variety of
user-friendly vibration
solutions designed to safely
accommodate operators

Arnold Company News

The Evolution of the Door Buster

The Evolution of the Door Buster

Learn how the need for a combination boxcar opener resulted in the launch and evolution of the Door Buster, a single unit designed to open all types of boxcar doors. The Origins of the Door Buster Unit...
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6 Questions to Ask Before Choosing Railcar Unloading Equipment

6 Questions to Ask Before Choosing Railcar Unloading Equipment

Choosing the right railcar unloading equipment helps you work safer, faster, and better. On any given day, your operators might be up against a multitude of challenges that significantly impact their productivity. Damaged or rusty railcars, sticky...
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The Do’s and Don’ts of Boxcar Unloading

The Do’s and Don’ts of Boxcar Unloading

Educate your operators on how to execute the boxcar unloading process safely and efficiently and equip them with the proper tools to get the job done. Improve your operator’s boxcar unloading process by recognizing potential hazards and...
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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 that I talked with were extremely helpful in quickly getting a demo setup and fully explaining what to expect. It was clearly explained how the demo would work and costs if I chose to keep the equipment. We are extremely satisfied with everyone and the equipment performance!"
B. Mengeu
TurfCare Supply