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Old Sep 16, 2016 | 08:46 AM
  #1  
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Help with towing numbers

I need you guys to help me please. Going to look at some new 5th whells again this weekend. I hate for this to be a can I tow this post so here it goes.
What are all the numbers I need to know?

The truck: F350 Lariat CCSB 6.7L 4x4 heavy duty front suspension and 20's

Most of the better trailers seemed to gross out at the 16,000# range with a pin of 2500+.
I plan on weighing the truck before the final decision. I would like to be in a comfortable tow range also.

What are the numbers on this truck? The ones I'm putting down are what I think I found but not sure.
Please help me with all the numbers for this truck I have ordered.



GCWR= 28,700 (all in)
GVWR= 11,500. (Total # on truck )
RGWR= 7,230. (Total # on rear or truck )
Max 5th wheel = 20,600
 
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Old Sep 16, 2016 | 09:08 AM
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Assuming you stay in the 16K range for the 5th wheel, probably the only thing you need to worry about as far as staying in the trucks published specs is payload. Getting an exact number is difficult there - you really need the actual door sticker for true payload after options are added to the truck (Ford only publishes a max possible number) and the loaded pin weight, which you can't get until you take the loaded trailer to the scale. But I would think 20% of max gvwr of whatever trailer you are looking at would be a safe number to estimate off of.
 
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Old Sep 16, 2016 | 09:12 AM
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Originally Posted by DL222
I need you guys to help me please. Going to look at some new 5th whells again this weekend. I hate for this to be a can I tow this post so here it goes.
What are all the numbers I need to know?

The truck: F350 Lariat CCSB 6.7L 4x4 heavy duty front suspension and 20's

Most of the better trailers seemed to gross out at the 16,000# range with a pin of 2500+.
I plan on weighing the truck before the final decision. I would like to be in a comfortable tow range also.

What are the numbers on this truck? The ones I'm putting down are what I think I found but not sure.
Please help me with all the numbers for this truck I have ordered.



GCWR= 28,700 (all in)
GVWR= 11,500. (Total # on truck )
RGWR= 7,230. (Total # on rear or truck )
Max 5th wheel = 20,600
There does not appear to be any reason the vehicle you have indicated would not handle the trailer numbers you gave except the 2500+ lbs. The plus sign could mean the difference, but 2500 lbs you should be fine. Since the numbers from Ford are all over the place their is doubt in their reliability but even at that your specification would not be out of bounds. Here is a link to the tow guide which might offer more information:
2017 Super Duty Truck | Towing Specs | Ford.com

You will need to click the tab for payload selector regarding the pin weight which is in essence, payload.
 
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Old Sep 16, 2016 | 09:24 AM
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Thanks guys. Yes pin weight seems to be the deciding factor and the hardest to try to figure out.

20% of 16000 = 3200 + hitch +people +dog+my beloved fuel tank = screwed
 
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Old Sep 16, 2016 | 09:35 AM
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Originally Posted by DL222
Thanks guys. Yes pin weight seems to be the deciding factor and the hardest to try to figure out.

20% of 16000 = 3200 + hitch +people +dog+my beloved fuel tank = screwed
Just leave the fuel tanks empty!
 
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Old Sep 16, 2016 | 09:40 AM
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Originally Posted by Rasalas
Just leave the fuel tanks empty!
Yes the most capable truck as long as you don't leave the driveway
 
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Old Sep 16, 2016 | 09:45 AM
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I recommend investing the $140 on a 5000# sherline pin scale and bring a floor jack and 4x4 to the dealer to weigh the pin. Sometimes they are way higher than expected. The propane, front a/c, etc aren't in the "stock" dry pin spec in the brochures.

I'm at 2200# measured dry (2400#+ packed carefully to manage the pin weight) and am struggling to get a new F350 under specs with a family of 5. (Silverback 37bh 41' long.)

I'm limited to 4 choices:
1. Be right at or over my specs
2. Get the 6.2 to be 750# lighter (and be at the tow limit)
3. Get the dually
4. Get the Ram (800# more capacity) or maybe the to-be-announced 2017 GM.
 
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Old Sep 16, 2016 | 09:51 AM
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Originally Posted by DL222
Thanks guys. Yes pin weight seems to be the deciding factor and the hardest to try to figure out.

20% of 16000 = 3200 + hitch +people +dog+my beloved fuel tank = screwed
A couple things. You can't go by published payload. To get accurate payload, you'd have to have the truck ready to pull and weigh it. That means, full tank of fuel, family and gear in, and hitch in the bed. Then subtract the real weight from the GVWR. That's what you have left for pin weight.

As to figuring out pin weight, again, there is no way to tell without weighing it. Dry weight as you know means nothing but the old 20% formula is just a WAG too. You can use a Sherline scale or weigh the 5ver but that's tough when you don't own it. You're only way to get close without committing would be to find another owner with the same floor plan that's weighed his rig. But again, that doesn't mean you would load it the same way.

All that said, a SRW 350 will easily handle almost any 16k GVWR RV on the market. Have fun shopping....
 
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Old Sep 16, 2016 | 10:04 AM
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Originally Posted by Karl4Cat
A couple things. You can't go by published payload. To get accurate payload, you'd have to have the truck ready to pull and weigh it. That means, full tank of fuel, family and gear in, and hitch in the bed. Then subtract the real weight from the GVWR. That's what you have left for pin weight.

As to figuring out pin weight, again, there is no way to tell without weighing it. Dry weight as you know means nothing but the old 20% formula is just a WAG too. You can use a Sherline scale or weigh the 5ver but that's tough when you don't own it. You're only way to get close without committing would be to find another owner with the same floor plan that's weighed his rig. But again, that doesn't mean you would load it the same way.

All that said, a SRW 350 will easily handle almost any 16k GVWR RV on the market. Have fun shopping....
Thank you for that. My old truck was a 6.4. The truck trailer and all ready to go hit the scales at almost 21000 and it did okay but I wouldn't have wanted anymore.
 
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Old Sep 16, 2016 | 10:20 AM
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I am sure an engineer would never release the tolerance built into the payload weight which is actually a justifiable weight from the engineering department. To be sure there is plenty of capability somewhat beyond the published numbers. It is one's own temperament which allows us to exceed a sticker with the manufacturers "safe" weight stamped in permanent ink on the door jamb.
 
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Old Sep 16, 2016 | 10:58 AM
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Has anyone actually weighed one of these trucks empty so that we can have the front and rear axle weights.
 
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Old Sep 16, 2016 | 01:01 PM
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The pin weight on a 5th wheel is also dependent on how things are stored, weight in the rear will lower pin weight, in middle will not affect it much but weight in the front will greatly increase pin weight.
 
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Old Sep 16, 2016 | 01:47 PM
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Originally Posted by invstr55
The pin weight on a 5th wheel is also dependent on how things are stored, weight in the rear will lower pin weight, in middle will not affect it much but weight in the front will greatly increase pin weight.
I agree 100%. It's a shame that all of the "garage" storage buckets are near the front. I'm going to experiment with my tanks to see how much they can help. I figure an extra 30 gallons of fresh water in the back black tank my take another 100# off the pin.
 
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Old Sep 16, 2016 | 02:03 PM
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You'd be shocked at how little loading the front storage has an effect on PIN. It's next to nothing. Guys have done extensive testing on that and found it's so negligible, it's not worth considering. Just like adding 1500# to the back of my toy hauler only changes the pin less than 200#. You'd think it would be a lot more but it isn't. Again, real world numbers don't jive with arm chair engineering.
 
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Old Sep 16, 2016 | 03:48 PM
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2017 North Point 387RDFS | Jayco, Inc.


This is one that is on my wife's short list.
 
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