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05-13-2008, 04:52 PM
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#1
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Montana Fan
Join Date: Sep 2007
Location: St Johns
Posts: 434
M.O.C. #7691
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HD Truck Hitch Adapter
Has anyone ever seen an adapter to take a standard tractor 5th wheel hitch down to the pin size on our 5vers? My B-I-L is a sales manager for a GM dealer truck division and he has offered to move my rig around for me until I get a truck bought. I have never heard of such a thing but I thought someone hear may have. Seems improbable.
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05-13-2008, 08:54 PM
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#2
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Montana Master
Join Date: Oct 2004
Location: Gardnerville
Posts: 749
M.O.C. #2165
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I used the commercial hitch on my Volvo for a number of months before I switched over to a trailersaver hitch. I know quite a few people who still use the commercial hitch. Same pin size.
Bob
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05-14-2008, 03:28 AM
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#3
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Montana Master
Join Date: Jan 2007
Location: Lobelville
Posts: 2,128
M.O.C. #6650
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I have driven many HD Class 8 trucks and all I have seen will tow a 5th wheel. The King Pins are the same. Have also seen many full timer's using the HD Class 8 Truck Towing 5th wheels. You want have a problem as long as the 5th wheel on the Class 8 has space between the back of the Truck and the lower front of the 5th wheel. GBY...
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05-14-2008, 05:19 AM
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#4
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Montana Master
Join Date: Jul 2004
Location: Manhattan
Posts: 1,144
M.O.C. #1846
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Roger - were / are they asking for an adapter for the lights / brakes by chance?
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05-14-2008, 06:23 AM
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#5
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Montana Fan
Join Date: Feb 2004
Location: Three Lakes
Posts: 264
M.O.C. #1001
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The pin size is the same for the big rigs as the 5ers.
The only thing I caution about is the big rig hitch will be a lot rougher ride on the 5er than a pickup or an air ride hitch on a semi.
Merv
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05-14-2008, 09:52 AM
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#6
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Montana Fan
Join Date: Sep 2007
Location: St Johns
Posts: 434
M.O.C. #7691
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Thanks all for your advice. My own research also shows the pins to be the same SAE 2". I assume that the pin box height will be within the range that the tractor hitch can adjust to accommodate. I haven't looked at the lights breaks adapter yet. I assume it is available? Any additional on this.
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05-14-2008, 12:44 PM
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#7
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Montana Master
Join Date: Jul 2004
Location: Manhattan
Posts: 1,144
M.O.C. #1846
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Not sure how it is wired in but a log of people over on the MDT / HDT forum run Prodigys.
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05-15-2008, 07:18 AM
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#8
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Montana Fan
Join Date: Feb 2004
Location: Three Lakes
Posts: 264
M.O.C. #1001
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As for the light and brake connections, usually you have to either wire the truck special for the trailer or you may be able to make a special conversion wire harness.
For the brakes, there is no electrical hookup in a semi for brakes. I usually tap into the air pressure sensor for the brake lights to hook the electric brake controller into.
Of course I have always converted the semi over for 5er use permanently. I have never done one to be used as both commercial and recreational.
Merv
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