CAT Scale weights are confusing me.

[Atlee]

Weighted my truck and trailer Friday, before we went on a weekend camping trip. The trailer is brand new. It had never been out camping before.

My WDH is the Blue OX Sway Pro. With 1k bars. I put it up to the 9th Chain link as called for in the book, and the Tech who installed the the Blue Ox
First, my TV is a 2014 F150 XLT 4x4, Supercab, 8 ft box, with Max Tow Package, and the HDPP. The FGAWR = 4050#, RGAWR = 4800#, GVWR = 8200#, CCC = 2286#, and the GCWR = 17,100#. The truck was rigged for towing, meaning all the normal tools, generators, gasoline, compressor, etc were on board as well as a full tank of gasoline.

My travel trailer is a new Jayco Jay Flight 23RB. It's a "stick and tin" built trailer and no slide. GAWR = 3500# each, GVWR = 6500#, Factory Shipped weight = 4758#, CCC = 1742#.

These are my numbers from my weigh tickets. Truck with no trailer, Steer Axle 3660#, Drive Axle = 3340#, Gross Weight = 7000#

Truck with trailer, but WDH disengaged. SA = 3340#, DA = 4640#, Trailer Axle = 5320#, Combined Gross Weight = 13,300#

Truck with trailer, but with WDH engaged. SA = 3520#, DA = 4280#, TA = 5460, GCWR = 13,200.

[Atlee]

I thought if I weighed the truck and trailer with and without the spring bars engaged, I could get a close approximation of the tongue weight.

What combination of those numbers would give that to me?

TucsonJim wrote:
Your weights look fine. Why are you confused?

[nickdarr]

The WD will raise the tongue and off load weight to the trailer axles in an effort to place weight on the steering and level everything out. It essentially shifts weight back on the trailer. Spring loading the arms puts pressure on the hitch point. This turns the ball into a type of fulcrum point which, for lack of a better term, lifts the back of the truck shifting weight to the SA. There are long explanations that can be found if you are interested in all the physics stuff.

[keymastr]

I agree, and your hitch is adjusted very well too.

[TucsonJim]

Your weights look fine. Why are you confused?