1. Screw type log splitter 2. Three-phase electric machine 3. 650revs/min 4. convenient and ... efficient as forestry machi a. Screw type log splitterb. Three-phase electric machinec. 650revs/mind. convenient and efficient as forestry ... Product NameScrew type log splitterDrill diameter70mm/80mm/90mmElectric motorThree-phase electric machine, 3000W, 1430revs/minSplit size(diameter)600mmVoltage: ...