... 25),9(30),10.5(35),12(40)m (ft) Stand load rating:1150,1600,2200,2880kN Design Features:1).Three ... structure: the front platform is suitable for installing standard BOP and the rear platform for installing heavy main drawworks and transmission groups3 ... .73(25.4)8.92(29.3)10(33)Rotary table beam load rating ,kN2250315031503150450045005850Stand load rating ,kN1150115016001600220022002880Bottom span of ...