SHS(TRS)300三环减速机为两级三环传动,高速级加于低速级一侧或两侧,二高速轴平行且对称于低速轴,箱体卧式座装,平剖分,SHS(TRS)300三环减速机重约为625kg,输入轴直径为22,输出轴直径为110,中心距为300,中心高为280。SHS(TRS)减速机型号有SHS215,SHS255,SHS300,SHS350,SHS400,SHS450,SHS500,SHS550,SHS600,SHS670,SHS750,SHS840,SHS950,SHS1070,SHS1200,SHS1350,装配型式有九种,速比有299,345,391,437,483,529,585,663,765,867,969,1071,1173,1311,1425,1539,1653,1827,2001