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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!


Electric (AC) Hopper Gate Door Openers
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2 Wheel Electric Door Demon with Sideshift

Sideshift Door Opener


Unit's Physical Dimensions:

28" Deep x 53" Wide x 42" Tall
22" Operating Handle
6" - 20" Manual or Hydraulic Lift Adjustment
Output Speed: 12 rpms
Fixed 53" Torque Bar for Extra Stability When Needed



NEW FOR 2012: 20% Torque Power Increase. We are now using a new Char-lynn drive motor that provides the extra torque you need!

The electric over hydraulic Door Demon® with vertical lift and side shifting wheels is our most popular model. We use a Lesson brand motor in both 3ph and 1ph applications. This motor is explosion proof under Class II, Group F & G. They are both Hi/Lo voltage, 50-60 Hz motors., 1.25 SF with thermo auto reset. Some Canadian applications will require a weg motor with different specifications.

This motor is connected to a SPF Stone pump which operates at 2950 psi @ 2gpm. This SPF Stone pump drives a Char-Lynn motor made by Eaton that turns the power shaft. The standard shaft length is 20"...additional shaft lengths are commonly made per request. The driving tip is a stadard taper 1 1/2" down to 3/4"

The vertical lift will travel from 6" to a height of 20". We can change these numbers upon request but rarely need to since most capstans are in the 12" - 16" range from the working surface. The side shifting wheels turn 90° on your command via a hydraulic cylinder; of course this is used only for traveling capstans.




Product Features:

Unit Type-Features Operating Weight
AC-Powered WITHOUT Optional Hydraulic Vertical Lift Kit 315 lbs
AC-Powered WITH Optional Hydraulic Vertical Lift Kit 365 lbs
AC-Powered WITH Sideshift Kit (No Vertical Lift Kit) 396 lbs
AC-Powered WITH Sideshift Kit AND Vertical Lift Kit (Pictured) 446 lbs
DC-Powered WITHOUT Optional Hydraulic Vertical Lift Kit 415 lbs
DC-Powered WITH Optional Hydraulic Vertical Lift Kit 465 lbs
DC-Powered WITH Sideshift Kit (No Vertical Lift Kit) 496 lbs
DC-Powered WITH Sideshift Kit AND Vertical Lift Kit 546 lbs
     
Unit Type-Features Maximum Noise
DC-Powered WITHOUT Optional Hydraulic Vertical Lift Kit 75.6 dBA
DC-Powered WITH Optional Hydraulic Vertical Lift Kit 75.6 dBA


Explosion-Proof Motors in Dust and Dirt Environements (AC Powered Door Demon in Single and Three Phase only)
Spring Return-to-Center Action on both Drive and Hydraulic Adjustment Controls
Safety Enclosed Kill Switch for Quick and Easy Shut-Off
Even-Balanced Weight Distribution for Safe and Easy Maneuvering
Adjustable-Width Stabilizer Bar for Torque Suppression


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