Changing Out a Trailer Tongue Jack Tim Barker. I go through a heavy-duty trailer tongue jack every three to four years. Corrosion, frequent use, and a hefty boat and trailer take a toll on these jacks ...

Fixed Jacks. The Lift: Fixed tongue jacks such as the Fulton 2,500-pound heavy-duty drop-leg, bolt-on model ($139.99; trailerandtruck parts.com) offer greater load capacities than swing jacks to ...

Checking the tongue weight of your trailer is important for trailer stability. It's easy to do with a bathroom scale and a ...