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The HDPP misconception

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Old Sep 27, 2017 | 05:15 PM
  #41  
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Originally Posted by jp360cj



This is actually a very good question. @johndeerefarmer, IIRC, you either 5th wheel or GN pull...what are your weights?
I have a new fiver with an unloaded pin of 1200 lbs. Loaded it will be around 1500 lbs. It weighs 6595 lbs empty, probably 7200 lbs loaded.
My previous fiver was 32' long and had a loaded pin weight of near 2000 lbs and a total weight of 9500 lbs. I bought this new one due to handling issues with the truck but finally found out that it was the Andersen hitch causing my issues. My gooseneck trailer is 21' long and I load it down with 8-11k lbs for 5-30 mile pulls for the farm. Total weight is 13k to 16k depending upon the equipment or hay being hauled. Pin weight should be around 2000-2200 lbs as I place the equipment on the trailer to get enough pin weight to ride good but not enough that it overloads the truck too much.
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Old Sep 27, 2017 | 08:01 PM
  #42  
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Originally Posted by 8100hd
The more I look at the ratings I’m more convinced that what he said was right. You cant use the GAWR and GVWR the HDPP has and apply it to increase the tow ratings. The way I look at it if you increase pin weight over the 15% of the max tow weight rating you are increasing the ratings. You could probably push a pin weight a small amo7nt higher with a reduced trailer weight and stay under GCWR. Does anyone on the forum tow a fifth wheel with 1300-1500lbs of pin weight with a HDPP truck and not use any rear suspension enhancement? I would be interested in seeing a picture of how it handles the weight.

Just a FYI I don’t own a F150 but really wanted one to tow with one when truck shopping. I really like the styling but the one thing that held me back was I couldn’t figure out what the hell Ford was doing with the ratings. It was this forum and another that shyed me away from getting the truck besides pricing that is. So I’m in a heavier truck from another manufacturer to pull a 8k TT and I don’t regret it. But the ratings thing has been driving me nuts for almost a year now.
but the pin weight is part of the trailer weight. If the trailer weights 11,000 then it weighs 11,000 lbs regardless of whether 15% of that weigh is on the pin or 90% is. GCW is not affected by the pin weight since in includes both the total truck and trailer weight.

HDPP DOES increase the 5th wheel tow rating. A non-HD 2x4 157" screw can tow 10,200 while a HDPP can do 11,700. If you look at the same trucks for conventional towing the non-HD is 11,800 and the HD is is 11,700. They ran into a hitch or GCWR limitation before the payload limitation in that case.
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Old Sep 28, 2017 | 05:23 AM
  #43  
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Again the tow ratings are what they are in the towing guide. Just because you have excess payload and or AWR doesn’t mean you can use it increase the tow rating. If the truck is rated at 10500 at 15% pin you can’t increase tow rating to 11500 with 15% pin. Nor could you increase pin to 18% with a trailer weight of 10700 or any other combination that exceeds GCWR.

Last edited by 8100hd; Sep 28, 2017 at 06:45 AM.
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Old Sep 28, 2017 | 06:28 AM
  #44  
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Originally Posted by 8100hd
Again the tow ratings are what they are in the towing guide. Just because you have excess payload and or AWR doesn’t mean you can use it increase the tow rating. If the truck is rated at 10500 at 15% pin you can’t increase tow rating to 11500 with 15% pin. Nor could you increase pin to 18% with a trailer weight of 10500 or any other combination that exceeds GCWR.
Actually you could increase the pin to 18% if you dont exceed the GCWR which may happen with certain combos, and the GCWR is a rating about meeting the SAE tow tests not a legal requirement. Ford in this case is saying this amount of trailer weight will not cause the truck to overheat, go too slow up hill, cause the tranmission to overheat etc. The GVWR and GAWR are govt standard ratings and are therefore listed on the compliance label.

Last edited by 5.0GN tow; Sep 28, 2017 at 06:30 AM.
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Old Sep 28, 2017 | 06:46 AM
  #45  
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Yes I corrected the number in second example. Can’t feed the mass holes.
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Old Sep 28, 2017 | 08:34 AM
  #46  
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Originally Posted by 8100hd
Again the tow ratings are what they are in the towing guide. Just because you have excess payload and or AWR doesn’t mean you can use it increase the tow rating. If the truck is rated at 10500 at 15% pin you can’t increase tow rating to 11500 with 15% pin. Nor could you increase pin to 18% with a trailer weight of 10700 or any other combination that exceeds GCWR.
From my perspective- a guy that actually owns and tows with his F150's. Don't exceed the GAWR. Who gives a crap about the SAE tow test and pin rating? I don't...
When you actually own a F150 and fiver or gooseneck please come back and relate your real world experiences
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Old Sep 28, 2017 | 08:59 AM
  #47  
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That’s your choice what you do with your equipment, I won’t argue that. My only stake in this is to try and understand the ratings as a consumer that was a potential buyer. Most that I see on here towing 5th/gooseneck have added thousands of $ in shocks, tires, sway bars, and airbags over the original price of the truck. That tells me the truck as built can’t do the job. I would still like to see a hdpp truck with 2k pin weight with no added suspension enhancement. I’ve used Timbrens in the past and I’ll admit it was because the truck suspension wasn’t up to the task.
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Old Sep 28, 2017 | 09:13 AM
  #48  
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Originally Posted by 8100hd
That’s your choice what you do with your equipment, I won’t argue that. My only stake in this is to try and understand the ratings as a consumer that was a potential buyer. Most that I see on here towing 5th/gooseneck have added thousands of $ in shocks, tires, sway bars, and airbags over the original price of the truck. That tells me the truck as built can’t do the job. I would still like to see a hdpp truck with 2k pin weight with no added suspension enhancement. I’ve used Timbrens in the past and I’ll admit it was because the truck suspension wasn’t up to the task.
Bone stock non HDPP 13 stx 5.0 4x4. Inside all ratings if barely so. Pin here is around 1200 probably.
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Old Sep 28, 2017 | 09:33 AM
  #49  
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This one appears to be a good example, it doesn’t seem to take the pin weight of 1500-1600lbs very well.
Attached Thumbnails The HDPP misconception-46d5f7f5-5ebc-4461-92f0-95bdefaeffd1.jpeg  
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Old Sep 28, 2017 | 10:22 AM
  #50  
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The issue here is most people just believe an f250 is going to handle perfectly at its max ratings trust me a 6.2 f250 4 door long box with 4x4 2015 (the truck my HDPP replaced and does a better job at carrying my equipment then my 250 @ half the fuel cost) at its max payload also needed aftermarket shock and air suspension to handle the load and make it safer to drive and if you got to a 350 technically your into log books and such but no one here understands that because they all drive f150s of course a truck that is ment for comfort will be nose high with a 1700 pound load in the bed people these days just lack common sense
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