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Will the Demco Actuator DM8204311 Work on a Trailer With 3 Axles?


Demco recommends a LARGE BORE MASTER CYLINDER RECOMMENDED FOR THREE AXLE and UPinch I have a 3 axle trailer is the DM8204311 the correct setup for me.


Expert Reply:

The Demco Hydraulic Brake Actuator w/ Drop - Drum - Zinc - 2-5/16" Ball - 20,000 lbs # DM8204011 is rated to be used with brakes on 2 axles, or 4 brakes total. If all 3 of your axles have brakes, you will need to add the Demco Replacement Large Bore Aluminum Master Cylinder w/ Bypass Solenoid - Disc Brakes # DM6113 and Push Rod Assembly for Demco Brake Actuators with 1-1/4" Bore # DM74ZR. These additions will get the needed pressure to actuate all 3 axles.

expert reply by:
Lazer S

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