If you can haul 12,000 on your steering and 21,000 on your drives wouldn't that make the sum of your axles 33,000. 12,000 + 21,000 = 33,000. So why can't you register it at 33,000. You say I can have 21,000 on my drives the guy above says 20,000, the salesman says 21,000, other things I have...