Recommended Trailer Jack To Replace Shelby 5756 Snap Ring Trailer Jack  

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.

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 open…

Based on the picture you submitted the Fulton Marine Jack part #FXP100W0301 that you referenced would be exactly what you'd need and would bolt right up to the mount you have on the trailer frame.

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.

I do have an option for you but the Shelby trailer jack mounting bracket that you have welded to your frame won't be able to be reused with any newer jack. The Shelby trailer jacks did use similar designs in regards to mounting like the…

If the trailer is heavy, or the ground is uneven, it will be hard to move regardless of which jack you use but if the bearings are wearing out in the old one then a new one would surely take some strain off the user when moving. I recommend a dual…

You are correct that Shelby is no longer in business, so there are no longer direct replacement parts, though we do have jacks which make for terrific replacements for yours. The best option for this is the Fulton Round, Snap-Ring Swivel Marine Jack…

I recommend using the Xtreme Off-Road Swing-Up Trailer Jack #ORJW350D as we do not have a jack which will fit the same weld on bracket you have on your boat trailer. This jack can be bolted onto your frame and will allow you to have more…

I contacted our representative at Fulton about the Fulton Round, Snap-Ring Swivel Marine Jack, part #FTJ120W0301. The inner diameter of the mounting hole is 2-1/2 inches. He informed me that up to a few years ago the Fulton jacks were made in…

From previous customers who have tried it we know that the Fulton jack #FTJ120W0301 fits the exact same mount as the Shelby jack so this would be your best option.

They make snap ring pliers that are used to remove snap rings. It has two pins on the end that stick into the holes of the snap ring and when squeezed it will open up the ring enough to be removed. You might also try to use 2 regular pliers. With one…