Forum Discussion
AH64ID
Jul 28, 2014Explorer
Hybridhunter wrote:ah64id wrote:
Yes I am relying on other peoples data, its the data directly from the manufacturer. If that is assumed, well then******I guess nothing is real and everything is assumed.
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The axle weight ratings on most "1/2 tons" are the rating of the spring pack, not the axle itself. Strange you know everything, but were unaware of that facts. And the HD F150 uses a thicker gauge frame, I notice you assumed otherwise....
You apparently didn't read my post about the RAWR on the F-150, as I already stated that.
Hybridhunter wrote:
Load bearing capacity of the "assembly" (axle, tires, springs) is given as GAWR. It is generally ruled by whatever is the lowest of the 3. You had stated that heavier duty trucks by percentage have more implied durability and capacity based on some perceived headroom in the rating, but you don't understand the ratings. If "1/2 ton" trucks all had rock hard spring packs, and a fixed GVWR, many would have the same headroom. The axle assemblies on the F150 for example are listed with a GAWR of less than 75% of axle capacity on the majority of models sold.
The engineered weight capacity is seldom, of ever listed on any light vehicle placard. Instead of arguing and assuming, do some research.
A 3/4 ton is build on the same frame/chassis as the 1 ton DRW so there is a LOT of headroom there. The axle is at 55% of it's rating on the Ram 2500 (at least MY06, I'm not looking others up right now). That's also 65% of the DRW RAWR, on the same frame and main spring mounts. Even the highest rated SRW wheel I could find put the axle at 83% of axle ratings, and 96% of the highest RAWR for the frame.
So yes there is a LOT more overhead on a HD truck, which is one of the big points of this thread.
No the engineered weight is seldom listed, thou the current F-150 HD package seems to be at (or slightly above based on some Sterling information) the engineered axle rating.
As I mentioned anyone who thinking about going over their placard weights needs to do their own research on what is safe and within design spec.
I saw plenty of overloaded trucks this weekend, some on one level (tires), and some on several levels axles/suspension/tires.
I think we have gotten a little to far off track and not getting anywhere as we probably both feel like we are saying the same thing over and over. In the end just be safe with how you tow, and where you tow.
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