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Old 06-14-2021, 08:24 AM   #1
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Ford chassis vs Winnebago towing maximum

Why does Ford indicate my chassis f53 can tow 6,000# but Winnebago says 5,000# max tow.

Iím thinking it must be because of the weight of the RV shell. I currently tow no more than 4,500# in order to maintain a comfortable safety margin. However if the true towing maximum is 6,000# that means I can tow my Ford Ranger!
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Old 06-14-2021, 08:27 AM   #2
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You may be limited by the hitch installed by Winnebago. Many are only rated at 5000 lbs.
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Old 06-14-2021, 08:49 AM   #3
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The published tow rating is an estimate by the manufacturer based on a number of assumptions. You need to do the math based on your actual weights to be sure. Your MH's published tow rating is based on the assumption that you'll be fully loaded to the specified Gross Vehicle Weight (GVW). In simple terms, this is the weight of you MH, fully loaded for travel including the tongue weight of your toad or trailer. Your actual GVW may be less than the manufacturer's GVW, but you'll need to take it to a truck scale to be sure. It could also be more which means you'll need to shed some weight to get to even the 5,000# limit.

There are a number of websites online calculators to help you with the rest of the calculation. Here is one page with a lot of information that will help you understand the math:

https://www.thormotorcoach.com/blog/...-and-capacity/

Remember that, when flat towing a toad, the tongue weight is negligible. When towing anything else, it can be a significant factor in the computations.
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Old 06-14-2021, 12:59 PM   #4
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If your hitch is rated for 5,000# you'll have to upgrade it if you have more towing capacity based on your calculations.
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Old 06-14-2021, 07:07 PM   #5
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Is the motorhome built on a standard length chassis from Ford, or did Winnebago extend the frame rails to accommodate a longer house? If the frame has been lengthened you need to know if a section was added to lengthen the wheelbase, or the frame was extended behind the rear wheels.

If the wheelbase was lengthened they probably split the frame in the middle and inserted a section of the same size and material.

If a section was added behind the rear wheels it's likely it's a smaller cross section and lighter material. In most cases when this type of extension is made the towing limit is lowered.
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