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garage gnome
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Build your own trailer
03/12/13 at 01:36:36
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Fining a decent Bantam or ex-military jeep trailer that is in decent shape is hard in some areas like around here. They are usually bubbafied in some way or rotted out. For me, this was an issue, plus I wanted one that I could haul a lot more with than a Bantam. So I decided to build my own when I was a senior in high school.

Warning: This is a project for an experienced welder. A good machine should be used too. I used a Miller 251 220V machine. I would not recommend and 110V machine for this! You need some serious penetration. If not, failure and serious damage can occur!

Material list:

2- 6' x 3" channel - tongue
2- 7' x 3" channel - frame
2- 4' 6" x 3" channel - frame
2- 4' 6" x 2" channel - frame cross members
10- 3" x 4" channel - side board slots
2- 7' x 2" x 3/16" flat - sides
2- 4' 6" x 2" x 3/16" flat - sides
1- 10" x 2 1/2" x 2 1/2" x 1/4" box tubing - hitch mount
1- 7 3/8" x 2" channel - hitch support/leg stop
1- 36" x 1/2" rod - leg hold up
1- 9" x 1/2" rod - leg hold up
1 - 68" x 2" x 1/4" flat - leg (best thing to do is bend it up first and then cut off scrap I think I started with a 10" piece)
2- 11" x 40" (I used 14 gauge sheet metal) - fenders
2- 9" x 30" x 1/8" plate - fender backs
1- 9" x 1" pipe - leg pivot
1- 2" black iron pipe x 60 1/2" - trailer axle
2- 7' x 1" x 1/8" flat - border for wood
2- 4' 6" x 1" x 1/8" flat - border for wood

And a recycled jeep part list:

2 - front spindle hub assemblies (unless you don't make your own axle, see below)
2 - 16" wheels
2 - 7 leaf pack springs from a CJ5 (or any jeep leaf springs)
4 - spring bushings (if you go with H shackles)
2 - Spring mount plates (unless you go with the below list)
1 - Stock drawbar hitch

In addition to the recycled jeep parts list, you could use:

jeep spring mounts
C-shackles
This axle
spring perches
U bolt kit

If you don't have the capabilities to make fenders or the leg, Tractor supply has some nice fenders that would work great and you could use a regular trailer jack.

And some pictures of building mine.



I made a drop down leg that resembles a Bantam leg.





I added a spare tire carrier to mine because my jeep uses 15" wheels and this uses 16" wheels, and I didn't want to mix and match the sizes.





Custom fenders and tail light brackets.



My custom axle. It uses a front jeep axle spindle and hub.









I made all my own spring hangers, but I might change them to jeep ones and run the jeep C shackles.



I also put a piece of steel around the whole perimeter to protect the edge of the wood decking.



One of the guys from the 2A page sent me a new Bantam data tag which I stamped with my initials, build date and my '53's VIN.



After some paint and wood decking, it is all done!





I put these on to hold the corners tight.



On the back, I made this sign on the plasma cam because that is mostly what I haul with it.



With the stock hitch setup, My trailer now sits perfectly level. I may do a spring over axle swap on it because the tires rub on the fenders some times. That means I would have to reverse the hitch. You can see the bracket I made for the safety chains and you can see my trailer plug in the rear bumper where the PTO hole is.









« Last Edit: 03/12/13 at 15:39:06 by garage gnome »  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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F Bill
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Re: Build your own trailer
Reply #1 - 03/12/13 at 13:51:42
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Nate, if you could find any pictures of how you did the ends of the axle, I think that is the only part of the build you didn't put in there..(or wiring, which shoul be simple after that anyway)

I am looking at your axle ends and seeing a bead around the circumference of the piece your hubs bolt to...(Grade 8 bolts I assume )  Did you add a spacer there or??


Somewhere it shoud be said that you need to be a competent welder to do a project like this. If you can't weld together two pieces of 1/4 x 2 strap iron with one bead, so the metal breaks, not the weld when destructive tested, don't build a trailer to learn. I don't know what it would cost to hire a welder, but if you have a buddy who is a good welder that may be an option for the non welders among us.


So..members of the 3A page..Is this something usefull? Would you consider building your own jeep trailer after seeing this?

Thank you Nate for taking the time to post all this .
  

Owner of the world famous?? Pintojeep 3A and one yet to be named stock project 3A.
Based in central TX and upstate NY.
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gmcjr
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Re: Build your own trailer
Reply #2 - 03/12/13 at 14:58:07
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I did last year!!!!!Smiley

Mines not as purdy as Nate's , by far, hes got talent! But its handier than pocket on a shirt!!! I did my axle the about the same as GG. I used 2" sch. 120(?)pipe. (2 3/8 OD X .025 wall), with flanges welded on, made out of 1/4" plate, and a additional 1/4" spacer ring welded to the outside of the flange to clear the shoulder on the Jeep spindle. Its a tedious process to keep the flanges centered and perpendicular to the axle, and to prevent them from warping when welding. (Weld a little, let completely cool)  A GOOD mig machine would work better, I used a stick, 6011 rod to tack and to lay a root pass, and a 7018 rod for a filler pass and a cap. IMHO, grade 8 bolts need to be used to bolt the spindle to the axle. The springs came off my cj3a. The main part of the frame is part of a old boat trailer. The hitch is just a ring cut out of plate for a pindle hook The fenders are made out of "c" perlin.  The sides and floor are just 1x4's. I had dreams of painting the frame, staining the wood, and adding ndt tires, but haven't got there yet, maybe soon, I hope. Maybe this will give somebody some ideas, its one of the handiest things I've built, and for a total investment of $60 so for.
« Last Edit: 03/12/13 at 16:22:19 by gmcjr »  

Gary in N. Texas
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garage gnome
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Re: Build your own trailer
Reply #3 - 03/12/13 at 15:26:56
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Quote:
Nate, if you could find any pictures of how you did the ends of the axle, I think that is the only part of the build you didn't put in there..(or wiring, which shoul be simple after that anyway)

I am looking at your axle ends and seeing a bead around the circumference of the piece your hubs bolt to...(Grade 8 bolts I assume )  Did you add a spacer there or??


Somewhere it shoud be said that you need to be a competent welder to do a project like this. If you can't weld together two pieces of 1/4 x 2 strap iron with one bead, so the metal breaks, not the weld when destructive tested, don't build a trailer to learn. I don't know what it would cost to hire a welder, but if you have a buddy who is a good welder that may be an option for the non welders among us.


So..members of the 3A page..Is this something usefull? Would you consider building your own jeep trailer after seeing this?

Thank you Nate for taking the time to post all this .  


Yes, you have to be a very good welder!!! You have to know how to square the hitch up to the axle and all the happy horse s*** so it tows down the road straight and centered.. This is not a beginner learn-how-to-weld type project.

The wiring is very simple. I tied my trailer plug into the rear of the Walcks harness. Then I wired the plug just like you would with a standard trailer plug, so if I ever had to tow it with a different vehicle, I could. There were directions that came with the plug I got.

Like gmcjr said, I used a piece of 2" schedule 40 pipe with a 1/4" circular plate welded to each end. Then I made a 1/4" thick spacer which I welded to the the other plate. You could mill the backs of the spindles flat, but I like this better, because the boss on the back of the spindle licks in like it does on the front axle. This way, all the stress isn't on the bolts. I used grade 8 allen bolts. Gmcjr gave some good advice on how to make the axle. Did you get the idea on how to make the axle with this from the 2A page when I originally posted it? BTW, yours looks great too!


I would say it would be a $1000+ trailer if you had some one build it. Mine was $200 in materials, not counting lights, wiring, hitch and tires.
  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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garage gnome
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Re: Build your own trailer
Reply #4 - 03/12/13 at 15:35:30
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Bill, you can see the spacer in this picture.

  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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Re: Build your own trailer
Reply #5 - 03/12/13 at 15:47:53
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I get it now, Nate.. the recess is for the 2A hub to fit in....the pice on the end of the axle tube, is that just a round circle or did you fit a post into the end of the axle?

I can't see building the axle if you don't have access to a lathe to machine the ends on. I am also wondering if a piece of 1/2 plate bored out to slide on the tubing end, withe the step in the outside for the jeep spindle might be a simpler idea.

Did either of you guys gusset the axle flange? I may have missed it, what tube size was used?

How'd ya get the bolt spacing right for the flange? Transfer the holes from the jeep hub or with a precision layout or??


The axles are the most stressed part of the build and i encourage anyone worried about making one to simply go to ebay and find a trailer axle already made.  However this will also bump your expenses WAY up.

Got an idea rattling around in my head for a TC3 style trailer but possibly a little longer. Can you say camper??
  

Owner of the world famous?? Pintojeep 3A and one yet to be named stock project 3A.
Based in central TX and upstate NY.
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Re: Build your own trailer
Reply #6 - 03/12/13 at 16:00:38
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when i work in the blacksmith back in 1965 we build trailer axle by buying a set of front spindles out of a truck or a car. you press the hub out of the brake drum and then cut the spindle out the mass that is left. you cut about a 1/4 inch biger then grease seal area. you can weld the spindle into a pipe or tube.we set the spindle in the pipe ont the lathes.
dennis
  
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Re: Build your own trailer
Reply #7 - 03/12/13 at 16:16:38
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Thanks GG, I actually built the axle and frame about 6 years ago, then got sidetracked, didn't finish the bed until Sept. of last year.

Fbill, I just welded the flanges to the tube, there wasn't any room for a gusset, used a transfer punch and a drill press to make the flanges.  
I did it hillbilly, I know.
It helps to have pipefitting experience.  All I used was a Lincoln welder, oxy/ace. torch, porta band saw and grinder for the rest.

Edit: machining a boss in the flange with a lathe to center it on the tube would be a heckeva alot stronger, and it would take a lot of the headache out of fabricating the axle.

FWIW, I don't use it to haul a very heavy load, I intended my trailer to be used basically as a bed extension, so to speak. So, if any body has any doubts, buy the axle.

« Last Edit: 03/12/13 at 16:57:37 by gmcjr »  

Gary in N. Texas
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46Farmall B (old Rusty)
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Re: Build your own trailer
Reply #8 - 03/12/13 at 16:58:38
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No, I didn't use any gussets. Just welded it right on with no recess for the pipe to sit in. Didn't use a lathe either. I posted a link at the bottom of the material list to a company that can make any size axle with the proper jeep wheel bolt pattern. I used schedule 40 2" pipe for my tube. After I got my spacer welded to the other plate, I just transferred the bolt holes from the spindle. Then I welded it to the pipe. The most hi-tech thing I used was a plasma cam to cut out the circles and tail light mounts. I built my axle with no machining.

I've put 3 hit and miss engines in my trailer once. Trailer didn't mind it, but the jeep hated it.  Grin I would say the most limiting factor is the power of the 4cyl, not the trailer and how much you can load the trailer.
« Last Edit: 03/12/13 at 17:00:59 by garage gnome »  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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Re: Build your own trailer
Reply #9 - 03/12/13 at 17:25:31
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How'd ya get the step in the spacers with no machining?

I'm not trying to give you a hard time , Nate. I am trying to get my thick brain around your axle building process so I can make one myself.  Both of you guys did great work.
  

Owner of the world famous?? Pintojeep 3A and one yet to be named stock project 3A.
Based in central TX and upstate NY.
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gmcjr
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Re: Build your own trailer
Reply #10 - 03/12/13 at 18:29:49
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TQuote:
How'd ya get the step in the spacers with no machining?

I'm not trying to give you a hard time , Nate. I am trying to get my thick brain around your axle building process so I can make one myself.  Both of you guys did great work.

Thanks fbill!!!!

Nate might have a better method, but this is what I did,

I cut four pieces of ¼" plate the same diameter as the mounting flange of the spindle, then transferred and drilled the bolt holes.
Then I took two of the flanges I just cut and prepped, and welded them to the axle tube.
I very carefully measured and measured and measured, then scribed a outline of the spindle shoulder in the center of the two unused flanges with a compass, then cut a little smaller hole with a torch (plasma would a be better by far).

I would do test fit and grind on the inside of the hole, do a test fit and grind until everything fit and the bolt holes lined up. It doesn't have to be a interference fit, but close and somewhat snug, the grade 8 bolts will take most of the load.

Then lined up the bolt holes on newly made spacers with the bolt holes on the tube flanges ,(just used the bolts for clamps) then welded them together on the outside edge.


« Last Edit: 03/12/13 at 18:52:56 by gmcjr »  

Gary in N. Texas
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46Farmall B (old Rusty)
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Re: Build your own trailer
Reply #11 - 03/12/13 at 19:44:48
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Thanks Bill!

Yep, gmcjr did pretty much what I did except I used a computer guided plasma cutter. I guess great minds think alike!  Cool As stated, it should be a snug fit. I have to tap my spindles on with a hammer. I don't know if gmcjr did this, but before I welded mine together, I put a big chamfer on mine and welded it with the welder set for 1/2" or 3/8" thick steel.

Bill, I think you are over thinking it. Take your machinist hat off and put your welder cap on.  Wink

These are the two plates you need, each are a 1/4" thick. One with a center hole and the other without it. The outside diameter is the same as the spindle's flange, and the inside diameter of the hole is the same has the diameter of the boss on the back side of the spindle. Put a few bolts in and weld them together. Then put it on the axle tube with some magnets, center it up and blast it on. Not much harder than that.  Wink

You could make a third one similar to the one on right, but with a hole the same size as the diameter of the pipe if you really wanted it strong. The left plate would then be sandwiched between the two with holes.

« Last Edit: 03/12/13 at 19:50:37 by garage gnome »  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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