Stumper 280 ST XHD. Simple, easy to use grinder built for standard flow skid steers with the ability to also run on high flow machines as well. Production of the attachment is comparable to a 35-45hp self propelled grinder depending on the aux. hydraulic gpm and psi that the carrier skid steer produces. Also known as a stump remover or stomp grinder or stump shredder or stompgrinder or stumpgrinder