... Idling speed : 2800-3000r/min Fuel tank capacity : 1350ml Drill diameter : 100mm 150mm 200mmAdvantages of Ground Auger1. The ground auger ... layer, and is widely used in gardens, planting, planting trees, geophysical exploration, road construction, etc.2. The drill is made of manganese ... 4. It frees people from heavy manual labour, is widely used in planting trees, planting fruit forest, the fence, and ...