tower crane planetary reducer 1.Brand: SCM,SYM,Yongmao.etc. 2.Type F0/23B,H3/3B, tower crane planetary reducer Type Output torque Transmission ratio Crown shaving Mechanism 01 5000 141 10 12 +0.32 OMD45,RCV95 02 12000 163.2 12 12 +0.5 OMD85,RCV120 07 6500 176 10 12 +0.32 OMD55,RCV95 08 6000 164.29 10 12 +0.32 OMD55,RCV95