What Size Trailer Jack Do I Need

The required weight capacity of tongue jack is determined by calculating the tongue weight of your trailer. The rule of thumb for a boat trailer is 7-10% of the weight of your fully loaded trailer. If you have a 6000lb loaded trailer, using 10% as an example, you would require a tongue jack with a capacity of 600lbs.

What size electric jack do I need for my travel trailer?

Expert Reply: The rule of thumb for estimating a tongue weight is 10-15 percent of trailer weight. A 4,600 pound trailer would have a tongue weight between 460 and 690 pounds. Somewhere between a 1,000 to 2,000 pound capacity jack would be fine.

Are all trailer jacks the same size?

The most common size for trailer frames is 4″ high and 3” wide. Our bolt-on models and most of the others we sell will fit frames up to 3″ wide by 5″ tall. This F2 Bolt-On 2000 lb. Trailer Jack is made with aluminum components and includes a big 7″ diameter foot plate.