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Old 04-19-2011, 01:47 PM   #1
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2005 25' International CCD
Leesburg , Georgia
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Tow hitch receiver upgrade for a motorhome

I was going to wait until I had gotten a little further ahead before starting a thread, but Keyair asked so here goes. It's probably a good idea anyway at this point to get input from the forum before doing anything that cannot be easily undone.

It all happened one dark rainy evening with a mail box about 3 yrs ago, and the bumper is only half the story! See my posting on rear window repair.


Guilty


Fixed with a heavy duty strap and ratchet

Then a year or three later decided to remove the bumper and see if I could make it look better. Of course with any can of worms!


Bumper off.




Need to straighten this out somehow.


The wheel cover and rear passenger side banana wrap needs attention too which I’ll save for another day. I removed the old insulation and will replace that later too.


A previous owner had pulled something more than the 2,000lb limit and did this.


I tried to coerce it back with a bottle jack. But that didn’t work out. So off it came.


Two welds on either side needed the angle grinder as well as the two well-rusted bolts holding it to the sub chassis.


With a cold chisel and angle grinder the cross member finally came off. I reckon with all that hammering I knocked off about 10lb’s of rust.


I tried hard to leave the remaining chassis straight and in tact, but life’s not perfect.
I’ll use the bottle jack again to see if I can straighten them out. May also get a couple of metal plates and try to sandwich them together with some clamps. Always open to ideas on this as well as how to straighten the bumper.





I bought a 4ft draw tie locally, one like this
Trailer Hitches - Draw-Tite - Custom Trailer Hitch Products and Hitch Accessories for $58.95.
3ft is plenty enough though so cut off the end.

Then went to our local Ameristeel warehouse and bought a ‘short’. This was an 8’10” left over from some job (20ft minimum on un-cut steel). The steel piece measures 4” wide, 2” tall, 3/16th thick and was cut to 3’3.5”, then 2’10” and then the remaining piece plasma cut in two down the center length. This came to $48.15

Also purchased some 3/8th grade 8 nuts bolts, and washers for about $4 from tractor-trailer, and a can of primer for another $4.





Fired up 3DS MAX and came up with these rudimentary drawings.


Existing hitch


New design


The underside

The new hitch will be bolted onto the frame using the grade 8, 3/8” bolts at either end of the 34” piece and using the same locations for the bolts on the 39.5” piece. Then will take it to the welders.

Still thinking through some other things though. The existing wiring is good for a four-pin connector. Can I daisy chain off the tag brakes wire and use this to power trailer brakes through a 7 pin connector?

The close proximity of the fuel tank worries me for welding. Thinking some sort of temporary spark barrier may help.

I’m also not 100% on the exact location of the welding spots yet, and where to put the support diagonals too.

Here are a couple of tow hitches I found on the forums that have been beefed up by other users. I’m sure there are more out there but they’re all over the place in many different threads.







I’m using this last one as a template for mine.

That’s the story so far. I’m kind of slow so apologies ahead of time if it’s a week or so before posting any more progress.


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Old 04-19-2011, 02:47 PM   #2
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This is what i did and it seems to be working.
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Old 04-19-2011, 03:11 PM   #3
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Wow Elbundi!
You are the man!
AirRowen, that looks good too!
Great thread, and great info!
I got that plus lots else to do to mine as you can see.....



Now, I was thinking about a couple of things here...
I am concerned about the rear of my gas tank... AirRowen, like others has the tube bars to do that job, mine has nothing.
I was also looking at all that wasted space between the Gas tank and tow hitch.... maybe I can build a platform there to mount my water tank, instead of under the queen bed...
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Old 04-19-2011, 03:25 PM   #4
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Under the Argosy MH forum the thread http:www.airforums.com/forums/f310/receiver-hitch-frame-repair-73893 projector did a nice job on his hitch .
I know the mh are different but could give you guys some ideas.
That link didn't work for me but if you go to Argosy motorhomes its about half way down the page .
receiver hitch,frame repair is the name
Jo
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Old 04-19-2011, 03:44 PM   #5
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I would not tee into the tag brakes. Thats what my friend the RV mec sead. The one for tag works on inertia u want one that u can adjust and self apply in those spots when u do not wont to waight for the 2 to 4 second ramp up!
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Old 04-20-2011, 09:18 AM   #6
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Quote:
Originally Posted by AirRowan View Post
This is what i did and it seems to be working.
I'd seen your set-up before but couldn't find the link again. Looks very sturdy. Did you have a separate brake controller installed? What all do you tow with your MH?

Here's the Argosy hitch repair thread

Thanks Keyair. Hope to see your efforts soon. Those wheels under yours look kinda abused. Do you think they were factory installed?
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Old 04-20-2011, 10:49 AM   #7
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Yeah, thos wheels are TOAST!
Factory?
No Idea!
Based on the damage, I want to have a skid plate or castor back there!

Questions for you...
The odd shaped plates(the one that my mangled wheel frame is bolted to) that the rearmost original hitch and crossmember was bolted/welded to... that are attached to the Chassis... do they unbolt?
In other words, If I unbolt that plate from each side would the tow hitch Assembly come off?

Found another thread here with Pics...
http://www.airforums.com/forums/f160...elp-40494.html
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Old 04-27-2011, 10:11 PM   #8
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Quote:
Originally Posted by Keyair View Post
Yeah, thos wheels are TOAST!

Questions for you...
The odd shaped plates(the one that my mangled wheel frame is bolted to) that the rearmost original hitch and crossmember was bolted/welded to... that are attached to the Chassis... do they unbolt?
In other words, If I unbolt that plate from each side would the tow hitch Assembly come off?
If you could persuade the bolts to come off then I don't see why not. Would make working on the wheel thingies a lot easier.
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Old 04-27-2011, 10:20 PM   #9
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Some progress

Finally had a couple of hours the other evening.
Decided not to beat the crap out of the end piece of metal and moved the location of the first cross member forward 4" to keep it level.







Still some more grinding on the second cross member so that the draw tie will be level.
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Old 04-28-2011, 07:28 PM   #10
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Quote:
Originally Posted by elbundi

I'd seen your set-up before but couldn't find the link again. Looks very sturdy. Did you have a separate brake controller installed? What all do you tow with your MH?

Here's the Argosy hitch repair thread

Thanks Keyair. Hope to see your efforts soon. Those wheels under yours look kinda abused. Do you think they were factory installed?
I tow a 25foot lobster boat that has surge brakes but i plan on putting electric on the other axel. I have 2 brake controlers i will post a pic of them when i get home.
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Old 05-13-2011, 09:56 AM   #11
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/tmp/System.pdf Not sure if this pdf will load, but the question in in the pic
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Old 05-13-2011, 10:02 AM   #12
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Will this additional receiver do the trick?

Towing a honda Element 3500 lbs
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Old 05-13-2011, 03:42 PM   #13
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Can you post some pics of it and what the welds look like?
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Old 05-14-2011, 10:33 AM   #14
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Extended hitch bar

Thanks so much for the interest. Here are the pics of what we have. We will be drilling and pinning or bolting today. Seems similar to what you have done only without the angles.
Tom and Warren
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