Demco Brake Actuator DM11993 Review Video

Hello Bob, For your Demco DA70 actuator use the Reverse Lockout Solenoid #DM11993. The difference between this and #DM5837 is that the latter comes with a cover.

Hey Kevin, for your Demco DA70 actuator you can use the Reverse Lockout Solenoid for Demco Hydraulic Brake Actuators #DM11993.

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

The Atwood 84132 was designed for use with drum brakes, so for a qualified replacement, you'll want something compatible with a 3 inch trailer tongue with a 6K capacity, accepts a 2 inch ball and provides an electric lockout. Demco doesn't…

Demco surge brake actuators require a Reverse Lockout Solenoid #DM11993. They do not have the ability to use a reverse lockout key.

There should be enough free play in the shackles to allow them to move. There is no specific torque rating for shackle bolts. The first thing you should make sure of is that the bolts you use are long enough so that when installed you will have at…

The Surge actuator you currently have installed is an older Atwood model. The cap for the brake fluid confirmed that for me once I saw it. Problem there is that Atwood is no longer in business and no replacements are available, unfortunately. We do…

You will need the Reverse Lockout Solenoid Kit #DM5836 for the Demco Hydraulic Brake Actuator #DM72VR. I have included a install video below showing the installation of the solenoid kit on this actuator. The Kit #DM5837 you found is for Demco models…

Unfortunately the Atwood 85736 cannot be replaced so you'd actually need an entirely new actuator. The closest replacement we have is the Demco Hydraulic Brake Actuator #DM72VR. This actuator has a gross towing weight capacity of 7,000-lbs, a…

Since the Demco Hydraulic Brake Actuator #DM8759812 is a DA91 actuator the Reverse Lockout Solenoid Kit #DM5837 will fit. I confirmed this with my contact at Demco.

You can add a Manual Reverse Lockout Kit #DM5939 or Electric Reverse Lockout Solenoid Kit #DM5837 to the Demco Hydraulic Brake Actuator #DM8509612 to get the DA91 surge coupler with a reverse lockout.

I would use a protractor, see photo, place the protractor on the edge of the inside of one side of the trailer frame and the other inside edge of the trailer frame should be parallel with the 50 degree line on the protractor. Another way to verify…