Can the Latch On An Old Trailer with Fulmer/Fultun Trailer Coupler Be Replaced

Question

Question:

Hello i have a homeade trailer with a Fulmer trailer coupler welded on the A frame. The latch mechanism is broke off so i need a replacement part but i cannot seem to find any parts for a Fulmer Coupler,

asked by: Martin U

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Expert Reply:

I do have an option for you but we do not have a trailer coupler repair kit for your Fulmer/Fultun trailer coupler. I know these kits are convenient and cost saving but the fact of the matter is that they are not universal and will only work on very specific applications. I know this is not what you want to hear but if you want to be able to tow your trailer again you will need to cut the old trailer coupler off and bolt a new one on.

I recommend the Demco A-Frame Trailer Coupler part # DM14793-52 for 2" or part # DM16680-52 for 2-5/16". The eZ-Latch coupler mechanism is super easy to use and it is very durable. The coupler can be painted to match your trailer frame if needed and it offers bolt-on installation.

expert reply by: Conner L

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Answer 1

The Demco A-Frame Trailer Coupler #DM14793-81 (Black) or #DM14793-52 (Silver) do not come with bolts. You will need to use 1/2" Grade 5 hex bolts with them. I've added links to video reviews of each coupler for you to check out.

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Answer 2

Since your coupler is welded on there won't be a way to replace it without removing the welds and then welding a new one in it's place. Since the Atwood couplers were so unique there isn't a similar one that would easily replace it either…

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Answer 3

Yes, you can replace a weld-on surge brake actuator with a bolt-on surge brake actuator and you can weld a bolt-on surge brake actuator to the trailer. If you are handy with a welder and have one available then I prefer this method over the other as…

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Answer 4

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.

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Answer 5

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 6

I would use a protractor, see photo, place the protractor on the edge of the inside of one side of the trailer frame and the other inside edge of the trailer frame should be parallel with the 50 degree line on the protractor. Another way to verify…

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Answer 7

The only differences between the Demco eZ-Latch Couplers #DM37ZR and #DM14793-81 is that the former has integrated loop holes for installing safety chains and a about a 2" drop while the latter doesn't come with provisions for attaching the…

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Answer 8

Hey Richard, thanks for reaching out! The Dexter DX7.5 Drop-N-Go Brake Actuator #099-175-00 is a great option for a replacement actuator because it's a direct replacement for the common Model 60 actuators that were popular in the '90s.…

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Answer 9

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 10

The Replacement Shock Absorber Spring Kit #TK71-758-00 is the correct shock for your UFP Surge Brake Actuator. The picture you included does not specify if it is for a disc or drum brake set, so I have found both for you to choose from. Disc Brake…

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Answer 11

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 12

There really isn't a particular maximum trailer weight that is used to determine when brakes need to be added to both axles of a tandem axle setup. While I do still recommend checking your local laws, I am also not aware of any general laws that…

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Can the Latch On An Old Trailer with Fulmer/Fultun Trailer Coupler Be Replaced

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