Yes the tractor was running. Most of the time my wife was in control moving the tractor, lifting/lowering me. (I know, very scary) I built that whole barn using the tractor every day. It was a life/time saver. Here is another platform I built for setting post.
This is the main reason I suggest getting pallet forks for the OP they are just to handy not to have.
View attachment 591615View attachment 591616
That's a pretty slick platform for getting a post in place. I'd not seen that before. I could see other purposes for it too.