Hi Moe,
I have a 3055 with front a/c. I measured mine and I am at 13' 2". I set level when towing. The only way you will know for sure is hookup and measure. To measure I laid a board across highest part which was frt a/c and used tape setting level and hooked up. As far as I know, 13' 6" is max legal height. But,,, you need to watch overpasses and railroad tressels on older roads and towns... some are really low.
Jim M