tower crane slewing motor 1.Brand :SCM,SYM,Yongmao.etc. 2,Type:185NM,145NM,120NM,95nm 3,SYSTEM:rcv,OMD,K. tower crane slewing motor 1.specification Type Output torque Transmission ratio Crown shaving Mechanism JH01 5000 141 10 12 +0.32 OMD45,RCV95 JH02 12000 163.2 12 12 +0.5 OMD85,RCV120 JH07 6500 176 10 12 +0.32 OMD55,RCV95 JH08 6000 164.29 10 12 +0.32 OMD55,RCV95