... view, vibration absorption seal, and comfortableness.•The electronic monitoring system with sound/light alarm function is ... (12V-195Ah)×2 Hydraulic torque converter3 components, single-stage, single phaseTransmissionPlanetary gear, multi-disc clutch, hydraulic integrated ... ,600kg Drive System Hydraulic torque converter3 components, single-stage, singlephaseTransmissionPlanetary gear, multi-disc clutch, ...