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Open Roads Forum  >  Beginning RVing

 > Seeking Towing Guidance - Looking to pull TT with Expedition

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outdoorbug

San Francisco

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Posted: 09/04/19 11:08am Link  |  Quote  |  Print  |  Notify Moderator

dmboiler wrote:

Thanks to all for the information and advice. Below is some data from the stickers on the driver's side door frame:

GVWR: 7500 LB
Front GAWR: 3550 LB
Rear GAWR: 4250 LB
The combined weight of occupants and cargo should never exceed: 1508 LB


The 1508 lbs limit is what will decide your towing capacity, not the 9000 lbs max trailering weight. Meaning that you might hit the 1508 lb limit before you hit the 9000 lbs weight.

Again, it depends. If it is going to be just you sitting inside the SUV, then it will be fine. However, if you are going with family of 4, then the four of you could together weigh, I dunno, 600 to 800 lbs. Then you will need to subtract that from the max payload (1508 lbs). Assuming the higher end of 800 lbs person weight, that leaves with around 708 lbs of tongue weight. Given that tongue weights are around 14% of the trailer weight, that gives you a max trailer weight of 708 lbs / 0.14 = 5057 lbs for your trailer.

stevemorris

ontario

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Posted: 09/07/19 06:54am Link  |  Quote  |  Print  |  Notify Moderator

that 1508 number is THE deciding number, not the 9000!
you can pull a lot more than you can carry
at least 10% of the trailer weight will be on the car, then add another 100 lbs for the hitch. dont forget a trailer battery and propane. most of that weight will be on the car.
trailer weights are ridiculously low, look at the trailer gross weight for a more realistic number


2017 Ram 1500 4door, 4x4, 5.7 l hemi, 8 speed
2008 KZ Spree 260

Grit dog

Black Diamond, WA

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Posted: 09/07/19 10:12am Link  |  Quote  |  Print  |  Notify Moderator

And were off!......
Woooo Woooo Woooo!! (that's the sound of the weight cop sirens as they rush to the scene of the Internet forum crime!)


03 Arctic Fox 860
07 Dodge 2500 deezul
"Obviously I don't want to overload my truck and be unsafe, but the reality is the truck is way more capable than the 10K GVWR they put on the sticker.
KJ"

dmboiler

Central Indiana

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Posted: 09/07/19 12:20pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to all who have offered advice & guidance. It is appreciated.

I've had a chance to put some real numbers together:

Actual vehicle weight, full tank of gas and no occupants: 5960 (3000 front axle, 2960 rear).

Actual weight of family (H, W, D, D): 475; add 10% buffer for growing kids and personal items = 522.5

We've been around to the local dealerships and the trailer we like the most so far is the Grand Design Imagine 2400BH. It weighs in at 5595 UVW, 505 hitch, 7495 GVWR (I understand these are averages and not actual). Salesman at the dealership says that the weights include empty propane tanks.

Given that everyone seems to agree that the 1508 payload capacity is the true limiting factor of our truck, please consider the following:

1508 payload capacity
-522.5 occupants & personal items
-505 dry hitch weight
-100 WD hitch
-65 battery
-40 propane
=275.5 remaining payload/hitch weight

What else should I be considering?

In your opinion, can this trailer (if thoughtfully/carefully loaded) be safely pulled by the Expedition? I'm an accountant by trade so crunching numbers and thorough planning are right up my alley.

parker.rowe

Delaware

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Posted: 09/15/19 08:26pm Link  |  Quote  |  Print  |  Notify Moderator

Looks like you have all your numbers, which is a good start.

If you go by the door jamb GVW you have 1540 payload (7500-5960)

If you go by the axle ratings you have 1840 payload (7800-5960)

Looks like you numbers for the 2400 are really close. You added propane, battery, and WDH, which is good.

I think it's doable. I'm sure you'll get lots of options though!

EDIT: For comparisons sake, my trailer is 5300 dry, 6500GVW
Truck is in my signature. My only complaint is being down on power for steep hills.
I doubt you'll have that issue.


2015 Starcraft TravelStar 239TBS 6500 GVWR
1996 GMC Suburban K1500 5.7 Vortec/3.73 Gears/PCM4Less Tune
1977 Kawasaki KZ1000


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