the truck suspension is fine, new shocks, good springs, rides level normally
yes the hitch is the now discontinued reese. the ball mount rotates to adjust bar tension and the wd bars reach back and up to the top of the a frame where they slide on brakepad material for sway control. the ball mounted is adjusted for max transfer
reading the specs for it indicates that we are definetly near to or over the load specs
https://www.google.ca/?gws_rd=ssl#q=reese+mini+350
my link doesn't seem to work
http://www.reeseprod.com/products/weight-distribution/light-duty-wd/350-mini-wd/xihofqeC8HJjZZHcC5mjH4C2gQ0U38ci