LEQ horse trailers axles are generally located much farther aft on the frame rails than a bumper pull or conventional GN or 5th wheel trailer.
This creates more hitch load on the truck than a conventional GN/5th wheel trailer.
So yeah your going to notice a difference especially in backing. With the axles farther aft their a bitzh to back in tight situations.......especially compared to a bumper pull trailer.
The diesel will still pull the heavier trailer with no issues.
"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers
'03 2500 QC Dodge/Cummins HO 3.73 6 speed manual Jacobs Westach
'97 Park Avanue 28' 5er 11200 two slides