Forum Discussion
JIMNLIN
Feb 19, 2015Explorer III
op wrote:
Okay, I'm curious now. Please provide the following certification ratings and weight of your truck:
GCWR:
GVWR:
Front GAWR:
Rear GAWR:
Your truck's GVW:
My truck has nothing to do with my point in my replies. Read my reply at he bottom of page #2 where I said "I just configured 2500 RAM with the 6.4 Hemi with a 10k GVWR and a 6000 RAWR.......and it says it can tow a 16000 lb 5th wheel or a TT.
I've already ran the numbers.
op wrote:
If you read any of "Title 49 CFR 571 FEDERAL MOTOR VEHICLE SAFETY STANDARDS," GVWR is all about braking capacity as well as the capacity of tires and rims. I have not found any other listed safety requirement for GVWR.
It is what it is, and I think it would be unwise to presume otherwise.
Braking capacity tires and rims is a function of the GAWRs.
The FAWR plus the RAWR set in stone on the trucks certification sticker by the truck maker before offering the truck for brake testing. The test is a minimum test at GVWR in proportion to the trucks GAWRs.
In other words the '15 2500 Ram 6.4 hemi I ran the numbers on had a 5500 FAWR/6000 RAWR on the cert placard = 11500 lbs of braking performance at a minimum. It could be more as most of the 3/4 and one ton SRW diesel trucks have the same brake specs.
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