Stone Burier Our MZ heavy duty type can be attached with stone buriers. Model MZ105 MZ125 MZ145 MZ165 Working width(cm) 105 125 145 165 Blades shaft speed(rpm) 210 210 210 210 Number of blades 24 30 30 36 Tilling depth (cm) 18 18 18 18 Fitted power (hp) 20-26 28-32 35-38 38-45 Net weight (kg) 280 320 360 400 Gross weight (kg) 330 360 410 470 Stone burier net weight (kg) 35 50 70 90 Stone burier gross weight (kg) 55 70 90 100