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Go Back JeepForum.com > General Technical Discussions > Fabrication Shop > offroad trailer build

Rampage Bowless Soft Top Oconee offroadAlloy USA Still AvailableAdvance Adapters SYE Kits

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Unread 01-11-2014, 09:39 PM   #1
kjg26
Registered User
1993 YJ Wrangler 
 
Join Date: Jul 2003
Location: North of Atlanta, Georgia
Posts: 1,819
offroad trailer build

I picked up a welder and chop saw earlier this week and I wan to undertake a trailer build for behind my YJ.

A couple questions
1- What size square/rectangular tubing is appropriate?
2- Should the tongue be different size/thickness?
I'm considering having a telescoping tongue. So maybe a 3x3 square tubing with 2.5 square/reciever tubing inside for an adjustable tongue.
3- Is it stronger to have the tongue sit below the frame of have it part of the frame. Meaning... when tying into the crossmembers is it stronger to weld the tongue to the bottom or to cut and "fit" the tongue into the cross member?

I was thinking 2x3 rectangular tubing for the frame of the trailer, maybe some C-channel for the crossbraces. I want a full length tongue to allow for attachments in the rear as recover point if needed.

Overall use will be mainly camping, possibly in the long run a roof top tent. I'm thinking 4'x5' Or somwhere in that size. maybe more like 40-44"x5' long. I'm flexable.

Above the frame i think i'll have some smaller, 2x2 maybe, to build the structure of the box.

I'm not sure above the wall thickness of any of this. I am very new to welding and metal fab in general. Lots of practice will be had during and before this project

At this point i'm just throwing around ideas. want to figure out what size tubing i'll be using so i can practice with similar sizes.

thanks

__________________
Black 1993 YJ 4.0, 5 Speed
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Unread 01-12-2014, 10:16 PM   #2
Bigbob
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Join Date: Jul 2005
Location: Bakersfield
Posts: 3,589
Quote:
Originally Posted by kjg26 View Post
I picked up a welder and chop saw earlier this week and I wan to undertake a trailer build for behind my YJ.

A couple questions
1- What size square/rectangular tubing is appropriate?
2- Should the tongue be different size/thickness?
I'm considering having a telescoping tongue. So maybe a 3x3 square tubing with 2.5 square/reciever tubing inside for an adjustable tongue.
3- Is it stronger to have the tongue sit below the frame of have it part of the frame. Meaning... when tying into the crossmembers is it stronger to weld the tongue to the bottom or to cut and "fit" the tongue into the cross member?

I was thinking 2x3 rectangular tubing for the frame of the trailer, maybe some C-channel for the crossbraces. I want a full length tongue to allow for attachments in the rear as recover point if needed.

Overall use will be mainly camping, possibly in the long run a roof top tent. I'm thinking 4'x5' Or somwhere in that size. maybe more like 40-44"x5' long. I'm flexable.

Above the frame i think i'll have some smaller, 2x2 maybe, to build the structure of the box.

I'm not sure above the wall thickness of any of this. I am very new to welding and metal fab in general. Lots of practice will be had during and before this project

At this point i'm just throwing around ideas. want to figure out what size tubing i'll be using so i can practice with similar sizes.

thanks
For that size trailer I'd use 2"X2"X .125 wall tube. If you want a telescoping hitch run a piece of 2.5" receiver tube down the middle at least 2' long. If you use regular 2.5" stock it has a seam in it that will be a problem. On the hitch that fits into the 2.5" stuff use 2"X3/16" or /1/4" stuff. That is what I did on mine. Of course I started this project about 4 1/2 years ago and haven't had time to even touch it for the last 2 years!
Here are some pics of the telescoping hitch, the trailer frame, the tub, and the 3 axis hitch. I hope to get it done sometime before I die of old age.
trailer222.jpg

trailerb.jpg

trailercc.jpg

hitch44.jpg

__________________
2006 Solar Yellow Rubicon Unlimited
Jeep Club Member #1340
6 Speed, Hardtop
Mods done: Hurst tee handle, cheap hand throttle, Rokmen Merc front bumper, Warn 9.5 TI winch with 3/8" X 100 worth of Viking yellow rope, DPG OME Ultimate with JKS ACOS up front, Kilby Gas Tank Skid, Kilby Steering Box Skid, Jeep Medic Belly Up, Skidrow Engine Skid, Rockcrusher Diff Skid in the rear, Warn Diff cover in front, , AR Outlaw II's and MTR 12:50/15's, Homemade rear Bumper, Cheap Cobra CB, Puma OBA, Sirius Radio, Locker Defeat, Rockhard cage, Rockmen short corners, homemade tire swing/tailgate hinge affair, Airlift air bags on the rear- - - - - - and more to come!
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Unread 01-14-2014, 09:32 AM   #3
kbarwall
Senior Member
1985 CJ7 
 
Join Date: Jul 2008
Location: Maineville, OH
Posts: 713
looks great, i really like it. I think with my next build, after seeing your build, I will need to do a redesign! Great job.

Here is a pic of my old trailer. I have since sold it and plan to build another shortly.
photo.jpg   photo1.jpg   photo2.jpg  
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