I tried this in the towing section but got no responce so i will try it here.I need to get a new hitch for the ford.I have a 10k bumper pull that will have my burb on it.Do i need a class 5 or is that overkill.They are about 100 bucks more than a 3 which says it handles 10k.this is the one im looking at-http://cgi.ebay.com/ebaymotors/Receiver-Hitch-80-96-Ford-F150-F250-F350-87163_W0QQcmdZViewItemQQcategoryZ33653QQihZ002QQitemZ120116572115QQrdZ1QQsspagenameZWDVW..the truck has a class 4 but has some rust on it so i think im just gonna replace it...no need to take a chance.any info would be helpfull.