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Old 06-13-2019, 07:34 PM
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Default Tandem trailer

Just picked up a small trailer for hauling our Jeep with us for vacations and off road beatings. I picked it up cheap because it has some frame damage. Got the frame fixed up, repaired a few lights and got the brakes working.... kind of. The downside of this whole deal is it sits atop a set of mobile home axles, an old set of mobil home axles at that. The rear axle is missing a set of brake shoes on the passenger side and the drivers side is shorted out so only the front axle brake works, by works I mean they energize and hum but can barely be felt with gain wide open. Anyone have experience using standard trailer backing plates and shoes on mobil home drums? It looks like the spindles are compatible with 6K hubs/brakes but was hoping to get through this season without spending that much on breaks, hubs, wheels and tires.



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Old 06-13-2019, 08:12 PM
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As an added note, as far as mobil home axles go these are “good” ones, they have multi leaf spring packs, and the backing plates are bolted on.


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Old 06-13-2019, 08:47 PM
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If they are bolted on, they are actual axles instead of mh ones. One tandem I had have the same setup. They are usually 5000 or 6000 pound ratings.

Keep the 14.5” tires close to the max pressure, running them low causes the heat to build up, and tends to cause blowouts.


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Old 06-13-2019, 09:59 PM
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Quote:
Originally Posted by greywynd View Post
If they are bolted on, they are actual axles instead of mh ones. One tandem I had have the same setup. They are usually 5000 or 6000 pound ratings.

Keep the 14.5” tires close to the max pressure, running them low causes the heat to build up, and tends to cause blowouts.


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The mobile home tires are the only real issue with those axles. What load rating requires brakes in your country? You may not have to have brakes and hauling that Jeep would not require brakes IMHO.
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Old 06-13-2019, 10:08 PM
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Originally Posted by milomilo View Post
The mobile home tires are the only real issue with those axles. What load rating requires brakes in your country? You may not have to have brakes and hauling that Jeep would not require brakes IMHO.


Brake requirements vary from province to province.

Personally I like brakes on all trailers except very light ones. And as much of a pain electric brakes are, I prefer them over hydraulic surge brakes. In winter with slippery conditions, at least with electric you know they are being applied.


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Old 06-14-2019, 07:53 AM
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Tigman, if you go to a trailer supply, or etrailer dot com, next time you are in town, you can pick up normal hubs and brakes for the MH axle. They will be 6 bolt and then you can use a 1/2 ton pickup truck tire and rim.

Quote:
Personally I like brakes on all trailers except very light ones. And as much of a pain electric brakes are, I prefer them over hydraulic surge brakes. In winter with slippery conditions, at least with electric you know they are being applied.
That's true, until they break a wire by the magnet in the most critical situation and you have only one wheel or none.
I like the electric over hydraulic disks. They just work, forever.
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Old 06-14-2019, 12:10 PM
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Quote:
Originally Posted by Ironman View Post
Tigman, if you go to a trailer supply, or etrailer dot com, next time you are in town, you can pick up normal hubs and brakes for the MH axle. They will be 6 bolt and then you can use a 1/2 ton pickup truck tire and rim.







That's true, until they break a wire by the magnet in the most critical situation and you have only one wheel or none.

I like the electric over hydraulic disks. They just work, forever.


I haven’t had, or any experience with the electric over hydraulic.

I do know that with hydraulic surge brakes, if there isn’t enough traction for the tow vehicle to slow down and apply the brakes, the trailer becomes a pusher.


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Old 06-14-2019, 03:07 PM
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Threads like this are all over on google.

https://www.nc4x4.com/forum/threads/...d-news.123878/

Lots of parts available for swapping.
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Old 07-06-2019, 05:36 AM
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Couldn’t find anything on the web about what I wanted to do so thought I would document what I did here in case any of you run across a similar situation you have a reference. As I already stated I am not quite ready to swap hubs just yet so I bought a set of loaded backing plates to see if I could get them to work with the Dayton style hubs.

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First off the original backing plates had to go
nah, I don't want yo
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I clamped the new backing plates to the flange, centered them and drilled the holes

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You can see we have way to much material lol

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There, a trip around with the plasma cutter and they look much better


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Last edited by cutter; 07-06-2019 at 02:25 PM. Reason: clean up embedded images, split thread into two posts
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  #10  
Old 07-06-2019, 02:35 PM
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part 2

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Once the backing plates were mounted I turned my attention to the hubs, they had a surface bolted in them for the original donut magnet to ride on, it just so happened that removing it gave me the space I needed for the “new” style magnet so out it came. It left behind 3 bossed that needed to come out so a few minutes with the angle grinder got them down level with the rest of the surface. The surface was a rough casted one so I put a sandpaper disk of the grinder and carefully knocked down the high spots, probably should have been machined but it seems like it works fine.

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Only major problem I ran into was the outer rolled lip on the backing plate was hitting the OD of the hub, I simply used my 24” crescent wrench to gently persuade it out of the way

It took an afternoon of messing around to do one axle, now that I have the experience it would go much faster. The brakes on that axle work good enough that they will just slide the tires on asphalt with the trailer empty which is much better than it was before the modifications. Running the magnets on that surface is questionable at best, I will open them up after my upcoming 1000 mile round trip and see how everything is getting along. My 18 Cummins stopped the 7k load good without any help, I just felt uneasy about 7k pushing me in an emergency stop situation, honestly the mods went well enough that if the components hold up on this trip and I don’t have any tire issues I may convert the other axle and call it good.


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