Rotadairon RD Series Standard Stone Buriers Model RD 100, RD 130 & RD 145 Working Width 43", 52.5" & 59" Horsepower 22 50 HP For Tractors Burlap NM Attachments Heavy Duty Skeleton CWR 113557 NM Attachments Heavy Duty Skeleton Bucket Model 15SK Series 42" 48" Attachment Size Machine Size 16 and simply turn the wheel to take control of the helm Products Description 75") Blade Count 36 42 48 Grid Finger Spacing 20 mm (4 5") 20 mm (4 5") 20 mm (4 5") Weight (Mesh Roller) 405 kg (893 lbs) 450 kg (992 lbs) 515 kg (1135 lbs) Weight (Iron Roller) — 525 kg (1157 lbs) 615 kg (1356 lbs) Tractor Power Required 22–35 HP 25–45 HP 30–50 HP PTO Speed 540 RPM 540 RPM 540 RPM Forward Speed 0