Valentini PTO Rock & Stone Crushers, Soil Stabilizers, Asphalt Grinders, Road Reclaimers, Limestone Outcroppings: Portable, Sizes for Any Application! ... Choose A Series Suitable For Your Tractor & Application Below: 'L' Series 3'-6" to 7'-8" Working Widths (80-170HP) 'RA' Series 3'-6" to 7'-8" Working Widths (100-230HP) 'VN' Series