i have both and find the walk behind has it all over the tractor mount...............but................
my 7 hp deere doesnt seem to lack from losing hp while throwing ..........................
maybe something to do with the pully's ....i dont know why..........
the other bonus with my tractor mount is the 4 drives i clear , i get to sit down to do....................
my drive is steep and i found out that walking behind is a slippery deal.................the hard way..............
just my nickel's worth,
bill