The Arnold Company | Manufacturer of the Door Demon

(800) 245-7505 | (618) 224-7505

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As home of the Door Demon^® Railcar Hopper Gate Door Opener, we specialize in making custom designed Railcar Gate Door Openers to meet the specific needs of your working environment! We also carry a full line of Industrial Vibrators.

We take pride in our product selection, product quality, and personalized customer service! We offer our customers affordable, practical solutions to their Freight Car and Hopper Gate Door Opener needs and stand behind our products!


Top 10 Reasons: Check out the reasons why your Rail Car Gate Door Opener should come from us!


Information Request Form: Request more information on any of our products today using our quick and simple form!



Frequently Asked Questions: Browse our FAQ section to get answers to the most frequently asked questions, as well as gain valuable insight for your decision-making process!

Arnold Company Door Opener Products are proudly produced in the U.S.A.

New Site Feature - 30 Day Demo Request Form

PARTS AND REPAIR SERVICE AVAILABLE HERE
Figure 1: Before	We offer repair service for 1½" URYU impacting pneumatic motors commonly used by other makers of hopper gate openers like POGO and Workmaster. We stock most of the parts needed for quick turn-around. Figure 1 (left) and Figure 2 (right) are before and after repair, respectively.	Figure 2: After
click HERE to learn more about our repair services

RAILCAR INDUSTRIAL VIBRATORS
click HERE for our full line of Industrial Vibrators

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