Looking at tillers to go on my tractor, Kubota M7040 (62 pto hp). Found a Landpride RTR1574 for $2200, Kingkutter's, Hawkline's and Tarters all around $1700 for 6 footers. Most of the literature I read show about a 50 hp max for this size. Will I be too risking too much damage to the tiller...