Our average of how long a generator ran, over various loads, on a full tank of gasoline or diesel fuel, a 20-pound tank for propane-based portables, or a 250-gallon propane tank for stationary models.

You'll get more variety if you're shopping at the retailer for generator accessories, though. Predator has several generator accessories too — and some of them are really good — but you can ...

Harbor Freight's Predator generators with either 3,500-watt or 5,000-watt outputs offer ... force required to spin the ...