... components, single-stage, single phaseTransmissionPlanetary gear, multi-disc clutch, hydraulic integrated forced lubricationMain driveSpiral ... first-stage speed reduction, splash lubricationSteering clutchWet, multi-disc, spring-pressed, hydraulic releaseSteering brakeWet, float ... 4(1-grouser)150mm×2(3-grouser)Control valveSpoolOperating systemSpeed regulationManual operation, hydraulic power ...