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Flapper's avatar
Flapper
Explorer
Jul 07, 2017

Back from the scale, but did I mess it up?

Trying to figure out if I have loaded my TV front too little, enough, or too much - but the results confuse me. I have the WD bars set to return the front fender rise back to the unloaded height. Ford says recovering 50% of the rise is acceptable. Here are the numbers:

Truck only: Steer = 3560, Drive = 2840

w/o WD set = Steer = 5560, Drive = 1780, TT = 6640

with WD = Steer = 4180, Drive = 3020, TT = 6780

?? It seems like with WD on, I actually am losing weight from the front, and moving it to the back. Or is it likely that I was not on the scale correctly, and the drive axle was partially on the front axle section of the scale during weighing? (each weigh was a separate pass, so positioning very well could be wrong for one, or both)

10 Replies

  • I made up a little spreadsheet to help me analyze my data. This is how my numbers compare to yours. As you said, the total GVW on your truck makes sense, but not the distribution. What are the odds of the rear tires landing right on the split between the scales?

    It does seem odd that with 800 lbs. added to the truck by the tongue weight, 620 lbs. of that was added to the steer axle and only 180 lbs. added to the drive axle. If this is correct, it would indicate too much weight transfer by the WDH.

    On my rig, of the 780 lbs. added to the truck, the drive axle got 880 lbs. and the steer axle got -100 lbs.

    This makes me think both of your reweighs are wrong.

    Find a scale here:
    http://www.publicscaleslocator.com

    Yours:


    Mine:
  • If you're within your weight ratings and it tows well, I'd stick with the 3/8" rise and return with the bars and go camping! One day you'll likely pass through a Cat scale in your travels and gather some accurate numbers. I still haven't weighed mine but would like to just for curiosity. I told DW she can load whatever she can carry into the TT as long as it's in front of the axles. She takes that to heart lol!
  • Unfortunately, the numbers are exactly as reported. It seems to tell me the DRIVE axle went from 2840 with no trailer, to only 1780 with trailer but no WD, and finally went back up to 3020 when I cranked up the bars. And the steer went UP by 2000 lbs with no WD, and the WD bars brought it down to "only" be 620 more than unloaded. Freaky, no? I'd post a picture of the tickets, but that seems to be difficult on this forum.

    I can only assume that I had my TV rear tires bridging the front and the middle scale platforms, both times I came in for the re-weighs.
    Wish I'd looked at the numbers at the scale, rather than later after the 70 mile drive home!

    Fender rise on my truck was 3/8" when checking in my drive with no bars. After cranking up the bars, I easily got it back to original height.

    Odd numbers aside, the re-weighs do agree with each other for totals, and the trailer is coming in as expected, so it looks like I'm good for overall and tongue weight. And verifying against the door sticker, I still have 860 lbs of payload to go, so not very likely I'm exceeding axle. So I'm thinking even without strict verification of the front end, I should be good for the upcoming 4K mile adventure that starts next week. And maybe there will be a scale on the way, so I can try again.
  • Truck only: Steer = 3560, Drive = 2840

    w/o WD set = Steer = 5560, Drive = 1780, TT = 6640

    with WD = Steer = 4180, Drive = 3020, TT = 6780

    If I'm understanding my confusion right, you went from 3560 to 1780 on the front axle and with WD brought it back up to 3020 lbs. That's over half way back. I still have to wonder. It's hard to imagine taking half of the unloaded weight off of the front with tongue weight alone. That just seems extreme.
  • llr wrote:
    did you possibly swap the steer and drive numbers? that would make more sense and you WDH is transferring too much weight if this is the case


    This is what I think happened as well.

    If, with WD, you can bring the front back down to at least half of it's rise between unloaded and loaded without WD, you should be good to go. If your front bumper mark is at 28" unloaded and 30" loaded without WD, anywhere between 28" and 29" with WD is good as far as WD goes.
    Is the rear axle, tires or hitch receiver loaded over it's manufacturer's recommended payload? If so I as well as the manufacturer would "recommend" you consider a TV rated to carry the weight. Do not lighten tongue weight. The results will not be pretty. Far worse than being slightly over the weight rating.
  • did you possibly swap the steer and drive numbers? that would make more sense and you WDH is transferring too much weight if this is the case
  • DSteiner51 wrote:
    You best go back and re weigh. Dropping a bumper pull trailer on a hitch 4+ feet behind the rear axle added 2000lbs to the front axle and took 1000 lbs off the rear axle? Nope!


    Exactly
  • You best go back and re weigh. Dropping a bumper pull trailer on a hitch 4+ feet behind the rear axle added 2000lbs to the front axle and took 1000 lbs off the rear axle? Nope!

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