Arnold Company

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Accessories

Hopper Gate Opener Accessories

Drive Bit - Hopper Gate Opener Accessory
Drive Bits

Part #: ARN-AD06
Price (ea): $176

Will fit most models of door openers including our line of Door Demons. The ARN-AD06 drive 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.

Extension Shaft - Hopper Gate Opener Accessory
Extension Shafts

Part #: DD 26″, DD 36″, DD-CUSTOM
Prices Starting at: $320

We can manufacture a custom length shaft for your Door Demon®. Standard lengths of 26″ and 36″ are $320.  Any custom length (less than 26″ or more than 36″) are $400.  The maximum length we recommend is 48 inches (4 feet).

If you need a custom-length shaft, use the contact us form and indicate (in the comments field) the length you require. See above graphic for instruction on how to ascertain the shaft length you require or call us today.

Capstan Socket - Hopper Gate Opener Accessory
Capstan Sockets

Part #: ARN-0072
Price (ea): $238

Our replacement capstan socket has a square drive hole perfect for all types of door openers, not only the Door Demon®. The capstan 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 over-sized tube design and square drive hole make the socket usable on almost any door and opener combination on the market.

Hydraulic Pressure Testing Kit - Hopper Gate Opener Accessory
Pressure Testing
Kit

Part #: ARN-0273
Price (ea): $180

This Hydraulic Pressure Tester Kit will allow you to easily check the pressure of your Door Demon railcar opener. This is important when diagnosing performance issues or setting pressure after replacing key hydraulic components such as the hydraulic pump. The kit comes completely assembled and is designed to easily plumb up to existing Door Demon fittings and hoses.

Protective Cover - Hopper Gate Opener Accessory
Protective Cover
for Two-Wheel Openers

Part #: ARN-0226
Price (ea): $75

Our all-weather Door Demon® cover helps protect your hopper gate opener from environmental damage while the unit is not in use. It is made of durable canvas and features reinforced seams for added protection. This cover is fit for use with any of our two wheeled hopper gate openers (with or without the side-shifting wheels option).

Hatch Key Pry Bar
Hatch Key® Pry Bar
(heavy-duty model)

Part #: ARN-0326
Price (ea): $296

Save your back and your fingers. Stubborn hatch covers yield to the leverage in our specially shaped bar.

Worker should be secured to fall protection cable while using our Hatch Key® Pry Bar.

Hopper Trailer Opener Accessories

Heavy Duty Case - Hopper Trailer Opener Accessory
Heavy Duty Case

Part #: ARN-0242
Price (ea): $200
Lead Time: In Stock/Ready to Ship

Our heavy duty case with foam liner is designed to protect and store the HTO and its accessories when not in use. It provides an airtight and watertight seal to protect against water, dust, UV, solvents, corrosion, or fungus. We have also designed this case with lock holes that will allow you to add a padlock for added security, and its spring loaded latch system allows for easy opening.

Filter-Regulator-Lubricator - Hopper Trailer Opener Accessory
Filter-Regulator-Lubricator

Part #: ARN-0230
Price (ea): $230
Lead Time: In Stock/Ready to Ship

Our Filter (5 micron), Regulator, and Lubricator (FRL) is built with the Door Demon HTO specifically in mind. With a heavy duty steel body, a compact footprint, and simple mounting bracket, our FRL fits perfectly in most unloading areas and significantly increases equipment life and reduces maintenance costs. The optional ARN-0231 Regulator Lock ($16.57 ea) is highly recommended to ensure that air pressure to the tool is only changed by designated personnel.

HTO Mounting Bracket - Hopper Trailer Opener Accessory
HTO Mounting Bracket

Part #: ARN-HTOMT
Price (ea): call us
Lead Time: call us

The HTO Mounting Bracket is designed to be mounted close to the unloading area, allowing easy access to the Door Demon Hopper Trailer Opener (HTO) and the included sockets. This not only allows for safe storage off of the ground, but also increases efficiency of the unloading process.

Vibration Accessories

Air Line Filter - Accessory
Air Line Filter

Part #: ARN-0197
Price (ea): $193
Lead Time: In Stock/Ready to Ship

Filtering the air removes dust and other contaminants from the supply line.  This auto-drain, 5 micron filter, when combined with a lubricator, extends the operational lifetime of the tool, unit, or vibrator while maintaining its performance parameters.  Works with our Rhino Railcar Vibrator Lifter as well as our pneumatic (air) powered hopper gate railcar openers.

Air Line Lubricator - Accessory
Air Line Lubricator

Part #: ARN-0003
Price (ea): $165.50
Lead Time: In Stock/Ready to Ship

Lubricating the air line limits the chance of the internal parts from seizing inside the body of our pneumatic units and vibrators. A lubricator, when combined with a filter, extends the operational lifetime of the tool, unit, or vibrator while maintaining its performance parameters.

Cradle Lug Brackets for Concrete Roller Vibrators
Large Cradle Lug Bracket

Part #: LCL
Price (ea): $96.50
Lead Time: In Stock/Ready to Ship

This vibrator bracket is designed to be welded to concrete forms.  The success of a quick-change portable vibrator system is fully dependent upon a secure mount.  This lug bracket features:

  • Heavy-duty rugged cast steel construction
  • Heat treated
  • Back face of bracket is precisely machined
  • Cradle side is precisely ground to match our roller vibrators‘ housing
Roller Vibrator Wedge Bracket for Roller Railcar Vibrators
Roller Railcar Vibrator
Wedge Bracket

Part #: ARN-0184
Price (ea): $350
Weight: 28.2 lbs.
Lead Time: In Stock/Ready to Ship

Our wedge bracket for roller railcar vibrators comes complete with an exclusive custom handle for safe, easy lifting.

Rhino Lifter Bracket for Piston Railcar Vibrators
Lifter Bracket for
Piston Railcar Vibrators

Part #: ARN-0185
Price (ea): $485
Lead Time: call us
 

This lifter bracket is designed for use with the Rhino Railcar Vibrator Lifter and our line of Piston Railcar Vibrators:

* railcar vibrator sold separately from lifter bracket

Rhino Lifter Bracket for Roller Railcar Vibrators
Lifter Bracket for
Roller Railcar Vibrators

Part #: ARN-0186
Price (ea): $485
Lead Time: call us 


This lifter bracket is designed for use with the Rhino Railcar Vibrator Lifter and our line of Roller Railcar Vibrator:

* railcar vibrator sold separately from lifter bracket

Industrial Air Hose for Railcar Roller Vibrators
12″ Industrial Air Hose
 

Part #: ARN-0314
Price (ea): $73
Weight: 3 lbs.
Lead Time: Call

Our Industrial air hose was developed for use with our CR55 and CR65 pneumatic roller vibrators and are designed to connect your air source to the precise threading of the vibrator.  This assembly features heavy-duty hydraulic fittings and a protective guard to extend hose life.

* shown with roller railcar vibrator and railcar wedge bracket, each sold separately

Vibrator Mounting Plate
Rotary Electric Vibrator
Mounting Plate

Part #: ARN-0322
Price (ea): $85
Weight: 3+ lbs.
Lead Time: Call

Use our custom mounting plates to mount our line of rotary electric vibrators to your I-Beam or C-Channel.  Set includes mounting plate, bolts, nuts, and washers.