RV Newbie Needs help Understanding Axle Weights

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Old 09-22-2017, 09:23 AM
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RV Newbie Needs help Understanding Axle Weights

Just purchased 25 Foot TT, dry weight 4,700 lbs., GVWR of 6,400. Tow vehicle is 2017 F-150 Lariat with max tow package. Had Equalizer WDH installed at dealer. Took it to scales before maiden voyage. Truck weight steer axle 3320 lb, drive axle 2280 lb. Weights with TT attached are worrisome. Steer axle down to 3200 lb., drive axle up significantly to 5,960 lbs., trailer axle 2260 lbs. Total cargo load in truck approximately 650 lbs. Cargo load in TT about 500 lbs.(no water, 2x30 propane, and about 300 lbs. of gear). My novice interpretation is that the WDH is not set properly to have that much weight on drive axle. Am I missing something? Thanks for your guidance.
 
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Old 09-22-2017, 09:34 AM
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Well, I don't know your payload rating or rear axle rating on that truck, but steer axle looks mostly decent.
With a wdh you are trying to transfer "some" weight back to the front axle but it's nearly impossible to get back to where you were before the trailer was attached.

If you had weighed this combination with the wd bars unattached your steer axle would be significantly lighter.

How's it tow?
 
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Old 09-22-2017, 09:56 AM
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Rear GAWR is 3800lbs. Cargo max is 1,676. No sway problems at all. A little "chugging" on bumpy roads but otherwise tows fine. Front end is not "light" or "loose" at all.
 
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Old 09-22-2017, 10:44 AM
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Originally Posted by Travelchief
Just purchased 25 Foot TT, dry weight 4,700 lbs., GVWR of 6,400. Tow vehicle is 2017 F-150 Lariat with max tow package. Had Equalizer WDH installed at dealer. Took it to scales before maiden voyage. Truck weight steer axle 3320 lb, drive axle 2280 lb. Weights with TT attached are worrisome. Steer axle down to 3200 lb., drive axle up significantly to 5,960 lbs., trailer axle 2260 lbs. Total cargo load in truck approximately 650 lbs. Cargo load in TT about 500 lbs.(no water, 2x30 propane, and about 300 lbs. of gear). My novice interpretation is that the WDH is not set properly to have that much weight on drive axle. Am I missing something? Thanks for your guidance.
According to what you posted your rear axle is carrying an additional 3680 lbs when loaded (5960 - 2280 = 3680). Are you sure? That means that your tongue weight is 3030 lbs!!! Something isn't right. Check your numbers and repost.

You lost 120 pounds on the front axle when loaded. The goal is to get that closer to a zero loss, but that's not too far off.
 
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Old 09-22-2017, 10:57 AM
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HRTKD: My thoughts exactly re. drive axle weight. I'm looking at the scale tickets to confirm the numbers. Drive axle went from 2,820 to 5,960. Trailer axle weight went from zero (obviously) I wonder whether I was properly on the scales. I can't fathom a tongue weight of 3,030 lbs.
 
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Old 09-22-2017, 12:09 PM
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Me things the front trailer axle was on the drive axle platform. As others stated, the front axle weight looks decent, but maybe the WDH could be adjusted 1 more notch.

Kudos to the OP for weighting his combo !!
 
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