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Alex and Tee wrote:
2022 chassis specs just posted on the Tiffin website. Hitch rating and vehicle tow weight still at 5000/6000 lbs for the 26,000 lb chassis. All that means is we can put 2000 lbs more stuff in the MH.

I think they have a typo in their spec page.

For the 24K chassis they say:

GAWR – Front: 9,000 lb
GAWR – Rear: 15,500 lb
GVWR: 24,000 lb
GCWR: 30,000 lb
Maximum Trailer Weight: 6,000 lb

The math works out for that chassis.

But for the 26K chassis:

GAWR – Front: 9,000 lb
GAWR – Rear: 15,500 lb
GVWR: 26,000 lb
GCWR: 30,000 lb
Maximum Trailer Weight: 6,000 lb

So I think that max trailer weight should be 4,000 lbs (GCWR-GVWR=4,000). (and also the GAWR should be 17,500 for the rear axle)


The max GCWR for the Ford F53 Chassis appears to be 30,000 according to Ford so that 30,000 GCWR seems to be correct for all of their F53 chassis.

I think though that as long as you don't load the RV up to the full 26,000 lbs you'd still be ok to tow up to the 5,000 hitch weight rating. Since you're towing a car trailer rather than flat tow, you wouldn't want to load up the RV to full GVWR anyway since you'll have 500 - 750lbs of tongue weight on the hitch which counts against the GVWR.

But that's one more thing to think about with trailer towing - what tongue weight is the hitch rated at? Some 5000 lb hitches are only rated at 500 lb tongue weight so you've got to have your car balanced perfectly on the trailer to ensure you don't exceed it (and you don't want to go under either, having much less than 10% tongue weight can make the trailer unstable, you want to stay in the 10 - 15% range)


I'd say that you should just ask your dealer about it, but you have to find someone that knows what they are talking about and maybe get them to put it in writing -- some salespeople will tell you anything you want to hear to make the sale and ultimately its your own responsibility to make sure your tow combination is safe.