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Swapping out tired or uneven brakes for this Dexter hydraulic duo-servo setup makes a real difference in braking feel. The dual-plunger cylinder presses both shoes evenly for stronger, more controlled braking than single-servo or electric designs. Each 12" x 2" assembly is built for 7,000-lb axles and mounts to standard 5-bolt flanges, keeping stops smooth and predictable on every trip.
Unlike uni-servo styles that lose force in reverse, the duo-servo action here applies equal pressure forward and backward. That means steady braking response every time you hit the pedal. It’s a simple mechanical setup that delivers full contact between the pads and drum without lag or pulsing, giving better control whether you’re moving ahead or easing back into a space.
These assemblies come ready to bolt on with adjuster plugs and mounting nuts included, so you can replace both sides of one axle without extra parts hunting. The setup fits 14-1/2", 15", and 16" wheels and uses standard hydraulic lines with 3/16 fittings. Just torque your fasteners and connect your actuator—no redrilling or modification needed for proper fitment.
Periodic manual adjustment keeps these brakes working their best as the shoes wear in. Pop out the adjuster plugs, turn the star wheel until the pads just drag, then back off slightly—simple upkeep that keeps stopping distances short. The included plugs help block dirt and debris from the inner components, so everything stays cleaner between services.
The brakes will be very hot after doing this, so after every 10 stops you'll want to wait about 10 minutes to let the brakes cool off before continuing. If you don't, you might cook and crack the pad material.
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Byron
2/24/2020
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