You can see the front tire move under power, so its 4WD. Its an Off Road model which means a locker. They have AT's (not MT's, but better than stock). With all that going for them, its driver error. Looks like they lost momentum and started sinking in the muck.
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Greg
www.446Photography.com2000 Solar Yellow Xterra XE....Sold long ago
2010 Night Armor Xterra OR....Current ride
BFG AT KO's