Valentini Leon Series Rock and Stone Crushers for 70HP170HP Tractors, in 4' to ' Widths Rock and Stone Crushers That Work For You!! ... Valentini Leon Series Tractor 3Point Rock Stone Crushers, Soil Stabilizer Shredder, Asphalt Pulverizer/Grinder LEON SERIES STONE CRUSHERS FOR 70170HP TRACTORS.