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Old 06-09-2011, 07:13 AM   #4
mmmc101
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Join Date: Feb 2009
Location: Choctaw,Okla
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Load capacity would be less with 8 lug hubs/wheels. I don't recall every seeing a Peterbilt ( class 7/8 )with 8 lug wheels. Check the data plate (usually in the driver door jam) and see what the truck was born with. It will have axle capacities. If thats missing,get the VIN number and have a peterbilt dealer look it up to see what the truck was originally.
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