Titan 1607500 - Weld On Drum Brake Actuator for 2-5/16" Ball - 12,500 lb - PrimedSurge type actuator welds onto 3" wide trailer tongue and includes a standard, heavy duty coupler. Features a primed finish, durable construction and an efficient roller design to reduce resistance. Features: Hydraulic actuator synchronizes trailer brakes with tow vehicle brakes Unique roller design reduces resistance during telescoping to create straight line movement Durable steel construction resists bending in jackknife situations Standard, heavy