... left side of drivers, which improves their operation comfort. 2. All the control mechanism uses flexible shaft coupling, which ... spade, with anti-vibration shelf, without agitator)18905 (Angel spade, with anti-vibration shelf and agitator)2. Performance dimension:1) Minimum radius ... 4. walking part:1) Riding wheel (one side×2) : 2×22) Bearing wheel (one side×2) : 6×23) Crawler: composite type, single ...