Main technical parameter and features: 1:H series high-power rigidity tooth surface gear unit have a new design and new concept of manufacture.The whole series adopt a modular system which essentially comprises parallel shaft , bevel wheel,helical geared unit or mechanically variable speed drives.Gears are made of high-grade alloy steel, Pass carburization,quenching and finishing and the hardness of gear surface is reach to 58HRC～62HRC(The precision of gear surface can be reach to 6 stages).So can ensure long-lift of the gear unit,convenience use,hig her consistence, higher strength,higher efficiency,lower noise and higher torque etc.Mounted position:horizontal mounted,vertical mounted. 2:Ratio of the transmission:1:25～1:450 3:Output speed:0.62r/min～25r/min 4:The ranges of power:2.2kw～3500kw 5:Application fields: heavy、cranes、cement industry、metal working mill、construction industry、water treatment etc.and gain the approbate of the world market.