For over 30 years, SMP Engineered Solutions’ Trombetta brand has provided hydraulic power pack OEMs with the best performing DC contactors in the market. Our PowerSeal family is the muscle that drives hydraulic power packs on tailgate lifts, tractors, electric pallet jacks, snow plows, and other hydraulic applications. Some hydraulic applications also use Trombetta’s historic Metal Family contactor or high-powered Bear family contactor.