Model HQS300 HQS350 HQS400 HQS450 Diameter of blade(mm) 300 350 400 450 Width of cutting slot(mm) 3--5 3--5 3--5 3--5 Cutting deepness(mm) 90 120 160 180 Working speed(m/min) 12 12 12 12 Engine Chinese,Honda,RobinPower(hp) 5.5 7.5 9 45 Volime of water tank(L) 12 30 45 120 Net Weight 78 98 100 135