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The Arnold Company is the number one Railcar Gate Door Opener manufacturer in the United States. 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 Railcar Gate Door Opener needs and stand behind our products!

Top 10 Reasons:
Check out the 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.






The Arnold Company is a BBB Accredited Business. Click for the BBB Business Review of this Machinery - Specially Designed in Trenton IL

Door Opener Accessories

Door Demon® Replacement Tips

Replacement Tips

Replacement Tip: $150.00


Will fit most models of door openers!!! All bits fit 1 1/2" drivers. The AD-06 railcar bit has a total length of 6". The width goes from 1" to 1 1/2" at a depth of 4". This is important as many cars only allow a 4" insertion. This bit has retaining holes on both axes to accommodate all makes of door openers that use the 1 1/2" square drive.



Door Demon® Shaft Extension Bar


Extension Bar

Starting at: $293.00


We can manufacture a custom length shaft for your Door Demon®. The standard-length shaft is 20 inches with your cost being $255. The maximum length we recommend is 48 inches (4 feet).

If you need a custom-length shaft, complete the quote request form and indicate (in the comments field) the length you require.



Pin Socket


Pin Socket

Pin Socket: $218.00


The socket has a square drive hole perfect for all types of door openers, not only the Door Demon®. The pin socket is used when the square drive on the railcar is worn to the point at which a square tool will no longer open the door. The socket slides over the capstan and is pinned in place with a 1-inch pin to transfer the opening torque. The oversized tube design and square drive hole make the socket useable on almost any door and opener combination on the market.



Door Opener Optional Configurations, Equipment, and Upgrades

Tilt Wheel Unit Configuration


 
Tilt Wheels

This options gives the user "over balance" protection with a 28 degree tilt back. This also allows the user to push the unit from place to place without holding the torque bar off the floor. This option works well on the side-shift units going in any direction.

AC Door Demon® with Vertical Lift Option


 

Now available on new units and in kits to upgrade your existing units, the vertical lift option allows for smooth powered height adjustment.

AC Door Demon® with Vertical Lift and Side Shift Options


 
AC Door Demon with Lift and Side Shift

Now available on new units and in kits to upgrade your existing units, the vertical lift option allows for smooth powered height adjustment. Also, the Side Shift option allows for smooth powered pivot wheel operation to move laterally with gate capstan movement.
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