So we finally took the rig to the scales, knowing we were pushing the limits. If someone could help me understand all the numbers I would greatly appreciate it!
Followed directions of the Cat scale guy on the intercom. Ended up with following readings:
steer axle 2800
drive axle 4080
trailer axle 6640
gross wt 13520
then weighed truck
gross weight 5760 (with driver and 3/4 tank gas. )
First question: should I have put truck on 2 scales instead of one?
Can I determine tongue weight with above info? Maybe 1120 lbs? (I added steer and drive axle weights together from full rig weigh, then subtracted the total truck only weight)
in truck: When I add second person , top off the gas tank, and add tongue weight of 1120 (if that is correct) I am at GVWR of the truck.
To get weight of trailer I took total weight minus truck weight and get 7760.
So if I add 7760 trailer to 7100 truck I get 14860.
But cat scale said total is 13520. Oh wait, I added another person and more gas, which were not weighed. So let's do that.
13520 plus 230 is 13750.
Seems like I am adding tongue weight twice. Confused? Yes.
Hope you aren't and can help. Thanks!
2012Ford F150 FX2 ecoboost 3.55
tow weight 9800