Here are three types of tongue jacks for today’s boat trailers. Swing Jacks. The Lift: Hand-crank jacks such as West Marine’s 1,500-pound-capacity swivel-mount model ($114.99; westmarine.com) bolt on ...

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 ...