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trtog7's avatar
trtog7
Explorer
Nov 20, 2013

Towing extension

We have just bought a new A Class previously had a C Class
When we went to put the tow bar on new vehicle realized it did not reach past the back of the RV Had to add an extension to get clearance.
Now we are being told that by adding the extension we have cut our tow capacity in half Anyone else heard this and if it is true can we correct it by welding pieces together?

7 Replies

  • 2013 Allegro 35QBA using a Blue Ox Tow bar Avanti
    Think what was told to us was hitch weight not towing weight
    Think we might get bar pieces welded together because there is some give
  • What kind of brand and model of motorhome?? What kind of tow bar??? Pics would really help!
  • are you using a ball type of tow bar or the type that mounts and stays on the back of the motorhome? if the first type, as slightly longer one will solve your problem, if the second, you will need to get as short an extension as will work. and I don't think it will be cut in half, more like a third?
    bumpy
  • As said, an extension will lower the tongue weight capacity, but not the towed weight capacity, as long as the extension is rated at least the same as the receiver hitch. Tongue weight of course, is not an issue when towing four-down. There are devices available to minimize any additional play the extension adds.
  • trtog7 wrote:
    We have just bought a new A Class previously had a C Class
    When we went to put the tow bar on new vehicle realized it did not reach past the back of the RV Had to add an extension to get clearance.
    Now we are being told that by adding the extension we have cut our tow capacity in half Anyone else heard this and if it is true can we correct it by welding pieces together?


    trtog7,
    I'm not sure I know what you mean by "Reach past the back of the RV". I'm assuming it means that your receiver, mounted on the coach, does not protrude enough to allow for the tow bar coupler and there could be interference problems. So, in that case, an "extension" is needed. Now, who ever told you it reduces the towing capacity by half is not fully educated on the subject.

    There are many extensions out there. Some raise the tow height, some lower it, some are just straight out. How they are constructed can make a difference. The one we have raises the tow height by 4" and is seriously strong and solid. We tow our 2011 GMC Sierra 1500 Extended Cab 4x4 which, is loaded with a "Rampage" lift and, a GL 1800 Honda Goldwing in the back. The truck weighs 5300 lbs., the lift, right at 280-300 and the Goldwing, right at 900 lbs. So, we're toating about 6500 lbs. down the road with an "Extension". I'm not worrying in the least about that.

    You just have to know and trust your equipment. Good luck.
    Scott
  • I have never heard of extensions affecting towing capacity when using a tow bar.
    If towing anything that adds tongue weight it does.
  • There should be a rating listed on the extension. I use a 12". I believe mine said 5000lb load. I only use it on light cargo trailers. Would be a little leery of towing anything heavy with it. It does add some slop to the whole system.

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