billtex wrote:
wvabeer wrote:
So it looks I have at least 4100lb axle
Yes...but you will need to subtract the weight of the truck (and anything in/on it) from that 4100# number.
Don't know what a 1/2 ton weighs.
My trucks rear axle weight unloaded is 3000# with full tank of fuel, me, dog.
I've done some math for the OP on page #2 that should give him a idea how much overload the 8.6 TC will be for his particular F150 truck.
That 4100 lbs is Fords rating for the axle its self. Because of the P tires/wheels/rear springs Fords rate it at whatever is on the trucks door sticker RAWR which according to Fords Fleet body specs for his 7200 GVWR truck is a 3850 RAWR. That 3850 lbs includes OEM P tires/wheels and rear spring pack.
To get the full benefit of the 4150 lb axle rating he will have to upgrade those items or just run in a over load condition carrying the 8.6.
If the truck was the F150HD with the bigger 8200 GVWR with 4800 RAWR and load E tires and 7 lug wheels, the 8.6 would be a good choice.
Someone says their are no lighter TC out there. A quick google shows different with some in the low teens.
There are lighter hard sided TC out there for his particular F150 with those small axle ratings/P tires and wheels.