This Zipper wood chipper is designed to reduce wood to smaller woodchips to use in other applications The Zipper HAEK1100 garden shredder with geared roller cutting system is designed for the safe crushing and mulching of general garden waste, shrubs, and branches up to 120mm in diameter. It has a powerful petrol engine with an adjustable ejection chute. Features: 2x reversible cutter knives 2000 rpm cutter knife speed 120mm wood chipping capacity Starting with cable and electric starter  12 hp petrol engine - 420cc displacement Large funnel opening with an adjustable ejection chute Comes With: Waste infeed chute Adjustable ejection chute Coupling device & transport chassis Canvas cover for outdoor storage Specification: Weight: 185kg Unleaded petrol Speed in min-1: 1800 Protection class: IP20 Engine power: 9.0 kW Sound power level: 110 dB(A) Max chopping diameter: 120mm Single cylinder 4 stroke OHV petrol engine