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
Arnold Company:
Our Commitment to You
“With safety and productivity always in mind, we take pride in our product selection, product quality, short 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
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!
As the #1 manufacturer of Hopper Gate Openers in the United States and the home of the Door Demon® Hopper Gate Opener, the Arnold Company offers custom designs to meet the specific needs of various working environments.