Replacement Jack for a Weld-On Shelby Jack with a 1200-LB Weight Capacity  

Shelby jacks are no longer in production. If the welded mount had a bolt-thru design, then I recommend checking the pin hole dimensions for compatibility. The bolt hole centers are 3 inches apart on the Jack Mounting Bracket for Fulton Marine Jack…

What we have heard is that the Fulton #FTJ120W0301 does fit the mounting plate of the Shelby Jack 5784.

It is possible the Fulton Round, Snap-Ring Swivel Marine Jack #FTJ120W0301 will fit the same mount used by your Shelby 5776 jack but we do not have the exact dimensions of the mount used by your Shelby jack so you will need to take a quick…

You'd have to measure the inner diameter of the snap ring on your Shelby jack to determine if the Fulton Round, Snap-Ring Swivel Marine Jack #FTJ120W0301 that you referenced would fit as a replacement. If the diameter is 2-5/16 inch then…

What we have heard is that the Fulton #FTJ120W0301 does fit the mounting plate of the Shelby Jack 5784 which is what it looks like you have something similar to.

We offer weld-on and bolt-on trailer jacks that are similar to the Shelby 5764A jack you wish to replace but the jacks we offer are not exact replacements. We do have a jack that has a mounting plate similar to the Shelby mounting plate., It is…

According to our research the Fulton Round, Snap-Ring Swivel Marine Jack #FTJ120W0301 will fit as a replacement for your Shelby 5756 boat trailer jack. It will allow you to keep the same bracket that is currently welded-on. You basically need to…

Based on my research, the Fulton Round, Snap-Ring Swivel Marine Jack #FTJ120W0301 will be a perfect replacement for your Shelby 5756A trailer jack. This jack will allow you to use the existing snap ring jack mount on your trailer for installation.…

What we have heard from our customers is that the Fulton #FTJ120W0301 does fit the mounting plate of the Shelby Jacks like the 5756a that you have. This would be a really solid choice to go with.

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 the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…