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Old 05-29-2015, 01:01 PM   #59
FW28z
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Brand: Thor Motor Coach
Model: 2011 Four Winds 28Z
State: Michigan
Posts: 1,273
THOR #531
The important thing, I think with all coaches, is to not go by the hitch capacity to determine tow ratings. The max tow rating is determined by the lowest rated component, so even with a 8,000lb hitch, the GVWR-CGWR or other factors may come into play first.

Or if you have a 5,000lb hitch, then that will be the limiting factor even though you might have more capacity. For example, the GVWR of my coach is 14,500lbs, and the CGWR is 22,000lbs, which gives me a theoretical tow capacity of 7,500lbs (not factoring any borrowing from the GVWR-actual weight).

But my hitch, being rated at 5,000lbs is the limiting factor, so my max tow capacity is 5,000lbs, unless I were to replace the receiver.

Each coach is different, and how you load it out will be different, so the only real way to determine tow weight is to weigh the coach, figure out the GVWR-CGWR, and see if you can "borrow" any weight from the results (at least in theory).
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