Arnold Company

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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

Railcar Hopper Openers

Allows a single operator to safely and efficiently open and close hopper gates.
 

Boxcar Openers

Boxcar Openers

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

Hopper Trailer Opener

Hopper Trailer Opener

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

Vibration Solutions

Vibration Solutions

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

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