There are many 4WD vehicles that don't have locking or even limited slip diffs, though. > 4WD -> power gets to all wheels, but there is a locking mechanism tha

There are many 4WD vehicles that don't have locking or even limited slip diffs, though. > 4WD -> power gets to all wheels, but there is a locking mechanism that locks all wheels so they all turn at the same speed This isn't universally true of 4WD vehicles. E.g., https://www.reddit.com/r/overlanding/comments/61yyam/4x4_without_lockers/ https://www.reddit.com/r/overlanding/comments/61yyam/4x4_wit... or https://www.quora.com/Do-all-4WDs-have-lockers https://www.quora.com/Do-all-4WDs-have-lockers