Bolt On Boat Trailer Jack Capable Of Extending Over 30" Tall  

Thank you for the picture. That kayak carrying device certainly does look cumbersome. Quite the interesting contraption. While generally we do not recommend modifying products like this, but I am happy to help if I can. With the bar being only…

I could not find anything specific to that part number, and Shelby is long out of business but for a bolt-on swivel jack there are a couple of options that will work for you, so long as you have a 3" x 3", 3" x 4", or 3" x…

You can find the cover for the Fulton F2 jack gearbox here: Replacement Gearbox Cover #F500135. But if you are referring to the gearbox itself then that is unfortunately not available. I recommend looking into a new jack such as Fulton Bolt-Thru…

I would be happy to help, but I have no way of looking your trailer by the serial number to determine which replacement side mount jack is correct. Based on the picture you provided of the jack on your Dorsey Malibu Boat Trailer a standard bolt on…

The bolts used in the mounting hardware for the Fulton Bolt-Thru Swivel Marine Jack with Dual Wheels #F27CR measure 3/8-16 X 4.0" so the lock nuts will be 3/8-16, and then these are 5 Grade bolts. Attached is a review video for you to check…

While we do have some great U.S.A.-made boat trailer jacks, the etrailer Round Swivel Marine Jack #MJ-1500B-DWL is manufactured in China. However, for a super close U.S.A.-made model, I recommend the Dutton-Lainson Swivel Marine Jack #DL67MR. This…

I have a replacement jack option for you, but unfortunately there are no replacement parts available for your Wesbar Model 9500 Jack on your 1979 Aristocraft boat trailer. Instead I recommend replacing it with the Fulton Bolt-Thru Swivel Marine Jack…

When it comes to The Fulton Bolt-Thru Swivel Marine Jack with Dual Wheels - Sidewind - Black - 12 inch Lift - 1,500 pounds #F27CR the mounting bracket is included. This jack will fit applications with a: 3 inch by 3 inch 3 inch by 4 inch 3 inch by 5…

Yes, the Fulton Bolt-Thru Swivel Marine Jack part #F27CR can be used on the side of an a-frame trailer. It will work great if you are securing the jack for supporting the trailer or just maneuvering it around via the wheels. The Fulton Bolt-Thru…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…