... . The knife can cut deepening in 20-30mm soil layer, the broken-head rate is lower than 20% of the national standards.4 ... , Japanese technology, and got State patent.SPE;Type,Step spread on rightMotor,195diesel engine(15hp)Weight(Kg),1140Size(mm);3730(L)×2260 ... (W)×1970(H)Operation;≥1500 mm Oil consume;≤0.95Kg/muBroken rate;≤20 ...