Drive Bits

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

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 Shafts

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

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 Sockets

Price (ea): $238
Part #: ARN-0072

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.

Pressure Tester Kit

Price (ea): $180
Part #: ARN-0273

The 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

Price (ea): $75
Part #: ARN-0226

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).

Railcar Roller Vibrators

Starting at: Call Us

Arnold Company’s line of pneumatic roller railcar vibrators offers a full range of frequency and force. With only three internal moving parts, these hopper railcar vibrators have an extended life and require minimal maintenance. Visit our Roller Railcar Vibrators page to learn more about this line of products.

Roller Vibrator Wedge Bracket

Starting at: $350
Part #: ARN-0184

Arnold Company’s roller vibrator wedge bracket (also known as a “cradle bracket”) is an excellent addition to the CR-65 (at left) and is among the highest quality manufactured anywhere in the world. Our wedge bracket comes complete with an exclusive custom handle for safe, easy lifting.

Railcar Piston Vibrators

Starting at: Call Us

The pneumatic piston railcar vibrator is commonly used in unloading densely compacted material from railcar hoppers.  Our line of portable air piston railcar vibrators eliminate the hazards and time associated with climbing around railroad cars to dislodge material.  Visit our Piston Railcar Vibrator page to learn more about this line of products.