This Backpack Multi-Crop Brush Cutter is fully petrol operated 2 Stroke Brush Cutter Machine. This 2-Stroke Brush Cutter is a type of brush cutter that uses a 2-Stroke engine to power it's cutting mechanism. This type of engine is known for it's Lightweight design and powerful performance, making it a popular choice for users who need to tackle tough vegetation. The 2-stroke engine works by combining compression and ignition on the upstroke of the piston, while simultaneously combining power and exhaust on the downstroke.