Heavier chainsaws cause premature fatigue, too. With that in mind, the Husqvarna 20-Inch 455 Rancher Gas Chainsaw is as big as we'd recommend. This gas-powered chainsaw costs $569 on Amazon.

The largest in the lineup features a 20-inch bar and 80V power source that's equivalent to a 60cc gas powered alternative. Senix makes short chainsaws for pruning and light duty, as well as saws ...