Product Details  Housing---gray iron/ball iron Gear---forged gear,material 20CrMnTi Power---30HP Ratio---1:2.83,Z1=12,Z2=34,M=3.5  Bevel gearbox used on farm rotary cutter and rotary mower. Housing---gray iron/ball iron Gear---forged gear,material 20CrMnTi Power---30HP Ratio---1:2.83,Z1=12,Z2=34,M=3.5  Different ratio as per customer's request. Gear and pinion use forging process in our own forging workshop. Therefore the big quantity order is welcomed. The forging pricess earned fast lead time and strong capability.