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Trailer Brake Actuator for Hydraulic Brakes on a Tandem Axle Trailer  

Updated 02/27/2017 | Published 02/24/2017



Question:

Im shopping for new surge brakes. I have a tandem axle boat trailer with two, 3700 lb. axels. Both axles have brakes. Ive narrowed the brake assemblies down to part number AKFBBRK-35R-D and AKFBBRK-35L-D. Can you tell me if the Actuator, Number DM72VR is large enough to pressurize two axles? Thank you.

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Expert Reply:

The Demco Actuator # DM72VR is rated for trailers up to 7,000 pounds regardless of the number of axles. If your trailer is heavier use # DM8608601, rated for trailers up to 8,600 pounds.

The # AKFBBRK-35R-D and # AKFBBRK-35L-D brakes you've selected are for 3,500 pounds axles with a 4 bolt brake flange.

For a tandem axle brake line kit you can use # DM5428.

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Charles S
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