... control all blade actions;5. The drift sealing in the drive wheel, track roller and carrier roller can ... -element,1 stage,1 phaseTransmission .............. Forced connected, Planetary gearMain drive .............. Spiral bevel gear, Splash lubricationSteering clutch .... Wet, Multi ... Wet, Floating, Foot stepping brake with hydraulic helpingFinal drive ... 2-stage speed reduction of spur gear, splash ...