RMB Boom MowersTractor PTO: 540 | 540 | 540| N/A Cutting Width: 39-inches to 59-inches Cutting Capacity: 1-inch to 4-inches diameterFORWARD REACH RMB MOWERSREACH: 18’ TO 20’ ROTARY & FLAIL CUTTER HEAD OPTIONS FORWARD REACH CAPABILITY BEST CHOICE FOR CONTINUOUS DUTY USE