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Solution for Reverse Lockout on Demco DA70 Actuator

Question:

Will the Manual Reverse Lockout Kit for Demco Hydraulic Trailer Brake Actuators # DM5939 used for DA91 work with the Demco Hydraulic Trailer Brake Actuator for DA70? I have a Demco DA70 and am looking for a manual reverse lockout kit. Please advise if etrailer carries this.

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Expert Reply:

The # DM5939 is only compatible with the DA91 like the # DM8759131. Unfortunately, there is no option for manual lockout on a DA70 like the # # DM72VR. There are two ways you can keep your brakes from locking up with this brake actuator.

The first is to add a solenoid like the # DM11993. The other option you have is to switch out the brakes on your trailer with free backing brakes like # AKFBBRK-35-D. These brakes won't engage in reverse so there would be no need to add a lockout to your actuator. These fit a 3,500 lb axle with a 4 bolt brake flange and 10" x 2-1/4" drum. You would need to choose the correct brakes based on what you have on your trailer.

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Robin H

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