Forum Discussion
FastEagle
Mar 05, 2012Explorer
sh410 wrote:FastEagle wrote:FastEagle wrote:Chris wrote:
FE, you should get a job with Keystone and solve the issues with most of their larger trailers with GAWR of 6750 and two Marathon's rated to 3420. Have you contacted them about this terrible tire choice? If trailers came OEM with tires better suited to weight and use, then we would see a lot less tire threads. Chris
I’ve been to a couple of large RV shows lately and took lots of pictures. Here is one depicting just the figures you are talking about. Keystone has learned nothing about their OE tires in more than 10 years. And their OE supplier here is GY with tires rated at 3420# that just barely meet the vehicle’s GAWR. BUYERS BEWARE!!!
Keystone Placarding
FastEagle
FE
If this placard is off of a Keystone 5th wheel, And the GVWR of 15,500# then 20% (est) of the GVWR is on the hitch pin. That would leave 12400 of GVWR on the Tires. The tires total 13680, represent 10% margin over the expected GVWR that is carried by the tires.
Have I computed this correctly?
GTW is what a trailer is supposed to weigh when delivered to the new owner. The CCC placard will list the maximum amount of cargo that can be added to the GTW. When added together those two cannot be more than the vehicle’s GVWR. At that point the only way to find the pin weight is to weigh it. Once the pin weight is deducted from the GTW the remainder - GAW - is what’s being carried by the axles. That weight cannot be more than the GAWR. OE tires must have a total load capacity equal to or greater than GAWR.
Here is a reference with easy to use sheets to assist in weighing your trailer.
How to weigh your RV trailer
FastEagle
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