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Old 03-05-2019, 08:56 AM   #1
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2017 20' Flying Cloud
Williamson County , Texas
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GMC Canyon Weight Carrying vs Weight Distributing Hitch

So after some research I figured out that since the factory installed hitch is only rated for weight carrying and does not have a different rating for weight distributing, (like the factory hitch on my K2500) to be safe I needed a hitch rated for both to use my weight distributing and sway control system.

Ended up ordering a Draw-Tite hitch mainly because it picks up 4 additional attachment points vs other MFG that I found. The weight carrying rating is very similar to the GMC factory hitch, but unlike the OEM hitch it is also rated for WD.

Obviously this does not change the vehicle limits on towing capacity, but does allow me to use the system to level the TV and trailer.
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Old 03-05-2019, 02:43 PM   #2
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Colorado hitch

Draw Tite # 76004 is a Class IV hitch that can replace factory hitch. About $130.00 from Etrailer and free shipping! My friend has a 2018 Colorado with factory tow package and the first thing he replaced was the hitch. Easy switch.
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Old 03-06-2019, 06:25 AM   #3
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Yes, that is the hitch (same as GMC Canyon).

I think many folks may not realize that you should not use a weight distribution system on a hitch that is not rated for WD. The different loads imposed by the WD require additional design and testing considerations.
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Old 03-16-2019, 10:51 AM   #4
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Originally Posted by SYC2Vette View Post
I think many folks may not realize that you should not use a weight distribution system on a hitch that is not rated for WD. The different loads imposed by the WD require additional design and testing considerations.
This is true. A weight distribution hitch can impart a very high bending moment in the upward direction on the hitch receiver which is much higher than the normal downward bending moment from a downward ball load. This may be a problem for cars and SUV's that have unibody construction where this bending moment has to be spread out over the thin sheet metal body. It's not a problem for a pickup that has the hitch receiver attached to the much stronger truck frame. Some manufacturers have stated in their operating manual that you should not use a weight distribution hitch. Others are vague about it. I would suggest taking a look under your vehicle from time to time to look for damage where the hitch attaches to the body. Probably you'll be OK but it's good to check.
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Old 03-16-2019, 04:39 PM   #5
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Originally Posted by out of sight View Post
This is true. A weight distribution hitch can impart a very high bending moment in the upward direction on the hitch receiver which is much higher than the normal downward bending moment from a downward ball load. This may be a problem for cars and SUV's that have unibody construction where this bending moment has to be spread out over the thin sheet metal body. It's not a problem for a pickup that has the hitch receiver attached to the much stronger truck frame. Some manufacturers have stated in their operating manual that you should not use a weight distribution hitch. Others are vague about it. I would suggest taking a look under your vehicle from time to time to look for damage where the hitch attaches to the body. Probably you'll be OK but it's good to check.
The hitch doesnít attach to the body on this vehicle, it attaches to the frame.

Good idea to use a heavier hitch designed for the intended use.
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