Despite all adjustments that we've made with the hitch (in its lowest position) and the pinbox (in its highest position), we're still towing a little nose-high. The weight distribution of our 5er is ...
On tandem, tridem, and any multi-axle trailer, the tires, springs, and all axle to frame attachment points go through tremendous side forces when making sharp turns, or any turns, that a single axle trailer or single rear axle truck does not go through.