"The Tow Zone Hydraulic Drum Brake Actuator features a corrosion-resistant oversized master cylinder design that provides higher braking pressures for fast and smooth stops. Unique design incorporates shock dampener into master cylinder. Mount Type Bolt-on, Fits Ball Size in. 2, Fits Trailer Tongue Size in. 3, Dimensions L x W x H in. 18 1/2 x 5 1/2 x 4 1/2, Built-In Lock-Out Yes, Weight Capacity lbs. 6,600, Brake Application Drum, Breakaway Safety Device Yes. Built-in dampening shock absorber retards the telescoping shock against the hitch ball Actuator mounts directly to 3 in. wide tongues Coupler has a quick latch feature for safer operation PVC coated coiled emergency breakaway cable, stainless safety latch pin and grease fittings on rollers for easy maintenance 6,600-lb. capacity Bolt-on mounting Cast steel latch handle Quick Lock 2 coupler auto locks on the hitch ball in closed position Wide mouth master cylinder makes it easier to add brake fluid PVC coated galvanized cable features a smooth, corrosion-resistant finish Aluminum master cylinder is corrosion-resistant"
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