Price Range: Between $130 and $170. Power Jacks. The Lift: Power jacks such as the Fulton XLT Power Drive 2,500-pound bolt-on model ($363.96; etrailer.com) use 12-volt DC power to lift and lower the ...

Most ­boat-trailer jacks are operated manually. The boater cranks the handle to move the jack up and down and raise or lower the boat. Other jacks are available today that work ­using an electric ...

Northern Tool and Equipment’s Ultra-Tow trailer jack features the company’s proprietary fast-action technology and components designed to nearly eliminate cranking. The jack has a step-down ...