Trailer Product FAQs

Mounting/welding instructions are included in each actuator operator’s manual available for
download or by placing an order from our Demco sales team.

DOT 3 or 4

1. Stainless steel hardware for longer protection from salt water.
2. Hot dipped galvanized backing plates for long life.
3. Riveted friction linings that are not susceptible to de-lamination when in contact with salt water.
4. Grease packed wheel cylinders.
5. Olive drab zinc coating on shoe webbings.

1. No rust that will flake and cause blockage.
2. Easy to replace. No rusted bolts into the casting.
3. Will replace old style cast iron units.
4. Patented design offers equalized pressure and adaptability for all applications.

1. Yes in 2 and 2-5/16” models.
2. Demco offers primed, black or zinc plating on most couplers.

1. Purchase either an in-line or bypass solenoid that is activated by the reverse light circuit from the tow vehicle.
2. The Demco DA91 has an available, optional manual lock out lever that can field installed.