These (V8 Pathfinders) share identical drivetrains with the Armada, which share the same front axle as the Titan, but the rear is different than the Titan solid axle. It's an R230 (IRS), vs an M226 that's in the Titan. Only gears available are 2.94's in the V8 Pathfinder unlike the Big Tow package for the Armada/Titan which is 3.36. And since it has 5 forward speeds, it's “similar to” a 4spd with 4.10's (according to Nissan) with the 3.36's. But the rear end (R230) is a beefy R&P, larger than the Titans. Armada/QX56 diffs bolt straight onto the Pathy with the 3.36 FD. ALL QX56's are 3.36. The V6 drivetrain for R51's is different in the V6, smaller. (R200/R180A IIRC). The numerical value stands for the ring gear diameter in mm.
Towing capacity with the V8 is 7000, V6 is 6000 IIRC. Air bags would be smart if towing and also rear stiffer springs. I can attest to the 3.36's feeling like 4.10's since the first few gears are low(in the tranny) because I've got 325 65 18's, some armor, sliders, a bumper and winch and it takes off like a jack rabbit.
33's can be fit with very minor trimming with a 2-2.5” lift, trimming similar to what Frontier owners do, as well as the camber adjustment.
I love mine, that 5.6L with a magnaflow and straight b-pipes gets people attention when emitting from a little Pathfinder, and the V8 on the side also gets attention.