I started out having trouble with SRW and DRW for towing vehicle. After about 20 posts or so someone you a Word and wrote it out. So now I understand SRW and DRW for towing vehicles.
CCC cargo carrying capacity
There are lots more. It's almost like I need just a simple dictionary of abbreviation so I can look them up and find out what they mean. I looked up dually in the dictionary and it didn't say anything about truck with dual wheels on the back. So a plain old dictionary just won't help.
Sometimes I think I'm really slow. And all these abbreviations are in the newbie forum!