... torque converter3 components, single-stage, singlephaseTransmissionPlanetary gear, multi-disc clutch, hydraulic integrated forced lubricationMain driveSpiral bevel gear, first-stage speed reduction, splash lubricationSteering ... supporting wheel6/each sideWorking hydraulic system Working oil pumpPAL.112 gear pumpCylinderDouble acting piston typeMax.working oil pressure14MPaBlade hoisting inner bore ...