Look at the miles my KH dump trk has on it climbing +12 degree inclines loaded for the last five yrs... bushings through out!
My white 6wd, I think it might be all bearings, even in the shift slides, it has hundreds of miles of heavy pulling, I've never replaced a bearing either.
The green 6wd, I've put TLT tires all around and gone out in the fresh white powder several times, no problems with seizures... were you playing in the salt too Freddy?
Whatever your preference, both work perfectly.