Harvard H9 is plus winch or differential lock?
What's more, there is no electric control switch after the old differential lock, which belongs to the Eaton type. It is easy to turn over when it is out of turn.
Winch, of course, even if it adds three differential locks, the winch will also have to be solved by winch. In addition to the rescue of others, the winch was the ultimate solution.
The winch is different, even if the four wheels lose power (for example, a slough), they can theoretically pull them out of trouble.
