Technical SpecificationsEngine Type: Single Cylinder, 2-Stroke, Air-Cooled Petrol Engine Engine Displacement: Available in 52cc (Standard) / 63cc / 72cc (Heavy Duty) variantsPower Output: Approx. 1.75 kW to 3.0 kW (depending on engine capacity)Fuel Type: Petrol mixed with 2-Stroke Engine Oil Fuel Mix Ratio: 25:1 (25 parts petrol to 1 part 2-stroke oil) Fuel Tank Capacity: 1.2 Liters Starting Method: Recoil Starter (Easy Pull-Start System) Drilling Speed: ~286 RPM Supported Drill Bit Diameters: 100mm (4"), 150mm (6"), 200mm (8"), 250mm (10"), and 300mm (12")