i have a red 782 model #144782399, serial 2050601u727265. i just picked up a cub tiller model400 with a 8hp engine,whatdo i need to add to my tractor too make the tiller work? how does the tiller work. will the hitch pickup the tiller or should it stay down and ride on the back tire? any pics manaul for the 400 tiller would help thanks for your help