Product Description Why Choose Us Product Details     Type Helical Bevel Gearbox / Reducer Model WK37~WK187 Mounting Position Flange, hollow shaft, CZPT shaft Efficiency 94%~98%(depends on the transmission stage) Material Housing: HT250 high strength cast iron Gear: 20CrMnTi Surface hardness of gears HRC58~62 Input/output shaft material 40Cr Machining precision of gears Accurate grinding, 6 … Continue reading China Hot selling Factory Direct K Series Bevel Helical Gearbox for Agricultural Machinery agricultural pto gearbox