Looks like someone has installed an M&W hand clutch on it. Basically works like the hand clutch on the A-C's, and give's you independant PTO, plus live hydraulics on the IH's.
Here is a video of an H with it on it: https://youtu.be/j2-ru-iKAHI
If you bought the tractor for yourself, I'm sure you will find it quite handy..!!
Here is a video of an H with it on it: https://youtu.be/j2-ru-iKAHI
If you bought the tractor for yourself, I'm sure you will find it quite handy..!!