Properly setup KLR won't be beat for this application. No, I don't own one but used to. I've owned or ridden all of these and more including the KTM and Husky as well. No doubt about what I'd take around the world. KLR.
90 percent of your ride will be paved/dirt road miles where the KLR excels over any of the other bikes. Your offroading won't be technical so the bike just needs to haul a lot and be passable here. The KLR is.
used to have - 1982 Maxim 650, 2000 Concours, 2001 KLX300, 2001 DRZ400E, 2004 KLR650, 2006 TE610, 1998 KDX220, 2001 Bandit 1200S, 2007 KLX-250, 2004 KLX-300R and a 2002 KTM 400EXC.
Now own - 2007 Suzuki Bandit 1250, 2002 KTM LC4E, and a 2007 CRF250X.