Most have a differential lock ,which most of the time is good enough unless you are trying to pulling something . We have several of them and the 4wd has just been more problems . If in very muddy area the 4wd is helpful . So it probably depends on your application .
Gooseneck all the way ! The load is much easier to haul because it's not as particular about how it's loaded. You can jackknife a gooseneck to get into tight places easier, and as a whole the load is carried by the trailer not as much the truck. The load is also right over over axle on the...