Arnold Company/Arnco Safety

Scott M. Dressler
2955 Trico Drive
Trenton,  IL  62293

United States
Phone: 618-224-7505
Fax: 618-224-7005
  • Booth: 1928

Come see our newest innovation, the Ride-On railcar opener.


Arnold Company is the proud manufacturer of the Door Demon® family of products.  With a heavy focus on improving safety and productivity, Arnold Company offers the largest selection of railcar openers for hopper gates and boxcar doors, the new HTO Hopper Trailer Opener, and our complete line vibrators along with our Rhino Vibrator Lifter.  With over 20 years of experience and an extreme commitment to quality and service, we are sure to have a solution for you.  See the complete line at

Learn more about our safety services at Arnco Safety.

Brands: Door Demon Hopper gate openers Door Demon Boxcar Openers Door Demon Hopper Trailer Opener Rhino Vibrator Lifter Railcar Vibration

 Press Releases

  • Arnold Company’s pursuit of developing the very best in railcar hopper gate opener technology has led them to iterate upon an already successful design to create an enhanced unit that can face the challenges of a modern railyard shift - the Ride-On Beam Mounted Unit.

    For high-volume applications, this new railcar hopper gate opener unit adds another level of automation and power which increases the speed, efficiency and safety for operators and delivers a more productive working environment overall.


    Key Features:

    • Comfortably Seated, Single Operator Unit

    • Beam Mounted (standard W6 x 25 beam)

    • Ergonomically Placed Controls (easy adjustments)

    • Quieter Operational Levels (70 db)

    • Revamped Electric over Hydraulic System

    • Highest Unloading Speed and Torque Ever

    • Faster Travel Speed (85’ – 140’ per minute)

    • Easier to Maintain Power Drive with No Chain

    • Built-in Cooler for Continuous Use in Hot Environments
    • Now Available with Remote Control Transmitter


  • Ride-On Hopper Gate Opener
    The Ride-On Beam Mounted Hopper Gate Opener is the optimal tool for opening the toughest hopper gates in the busiest high-volume railyards....

  • High volume unloading areas require the highest speed, efficiency, and obviously safety. Our new Ride-On Unit provides all of this, allowing the operator to control the unit from a comfortable seated position. While seated, the operator can traverse the beam while adjusting drive bit height and position to fit any railcar.


    This unit features:

    • Our largest electric over hydraulic system

    • Simple hand controls

    • Fastest shaft RPM’s in our product line

    • Our highest torque hydraulic motor included as a standard feature

    • 90 degree rotation on the front end to fit in most unloading areas and  provide clear walkways

    • Remote control option

    See it in action.

  • Hopper Trailer Opener
    Open truck hopper trailers with efficiency and ease. Our patented* unit prevents operator injury and grain trailer damage with smooth, continuous torque and a lightweight, portable design....

  • The Patented* Door Demon Hopper Trailer Opener (HTO) is one of the latest innovations from the Arnold Company. Everything about this unit has been designed from the ground up specifically for truck hopper trailers. The patented* Door Demon hopper trailer opener (HTO) combines flexibility, optimal torque, and fast rotation speed into a feature-rich, lightweight handheld unit with a custom shaft and socket assembly designed for the task at hand. See it in action.

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