Brand new product that’s has been tested. I put gas and chain oil in it to test that it works and everything works fine. It has never been used on anything. Professional Grade saw with 20" bar, cuts up to 40" diameter logs Best ECH0 saw value, power with professional grade features ECHO Timber Wolf is ideal for cutting firewood on a regular basis Model #: CS-590-20AA Sku #: 1000011532 Internet #: 204221580 The ECHO CS-590 Timber Wolf chainsaw with 20 in. bar is more powerful than today's ranch and farm saws. It's built for the toughest environments and features easy-starting, easy operation and quick maintenance. Ideal for wood cutting. 5-year consumer warranty and 1-year commercial warranty 59.8cc professional-grade 2-stroke engine provides outstanding performance Decompression valve for easier starter rope pulling Tool free access to heavy duty, 2-piece air filter G-Force Engine Air Pre-Cleaner maintains clean air supply to engine Translucent fuel tank for quick fuel level checks