Looking @ the Eagle Cap site, like the triple slide 1100 something, wet it's at least 5500#s, of course I need the gen set so make that closer to 6k#s, rules out my 95 super cab dually w/powerstroke/manual trans. Looking @ Ford specs on trucks up to 550, didn't see anything that was kosher w/6000# payload. That's a LOAD, I'll tell you. My Lance 1040 is about 3100# wet and tow 4000# support trailer w/400# hitch weight, truck is happy but doubling the camper load? NOT.
The howler is Eagle Cap shows the triple slide on a SW truck, no sagging noted, air bags must have 120#s.