DA20 Adjustable Height A-Frame Hydraulic Drum Brake Actuator
The Demco Model DA20 is a heavy duty surge brake actuator for trailers with two or four wheels. When brakes are applied on the towing vehicle, the forward inertia of trailer toward towing vehicle applies brakes on trailer in direct relation to manner brakes are applied on towing vehicle. Brake towing vehicle hard and brakes on trailer are applied hard. Master cylinder push rod spring assembly protects system from hydraulic pressure overload.
- Model: DA20 DA20AF
- G.V.W.R. - 20,000 lbs.
- Mounting - 50 degree A-Frame
- U.H.M.W. linings to eliminate rollers
- Air-tight diaphragm in master cylinder cap, completely seals braking system from moisture and dirt contamination.
- Emergency break-away lever with easy cable hookup and reset
- Adjustable height hitch mounting
- Outer surface primed