I just sold my two bp steel trailers, a two horse and a three horse. I got a good deal on a three horse aluminum...but surprise surprise it weights about... if not slightly more then my steel three horse. I have a Chevy 1500 extended cab that did fine before,I only use a horse trailer once in awhile .....but would like to be safer pulling, so was thinking of upgrading as it would be nice to pull my 20 ft heavy flatbed with rolls of hay etc etc if needed... Can you explain the pulling power of the 1500, 2500, 3500 etc etc... Never had diesel...or a dually.....don't know anything about them either.