The Rotators are built in capacities from 3ton to 200 ton. According to capacity load, the rotator wheels are of PU or FULL metals, which can ensure the support capacity and maintain working long time. The specifications are as follow 1. Each set includes 01 powered unit and 01 idler unit with electrical control system. 2. Schneider / Taian inverter 3. Siemens/ Schneider /CHNT electrical components 4. Remote control with 5m cables 5. CE & ISO approved