As of 2015, a Harbor Freight 8750 Predator generator costs approximately $599.99. This 420cc, air-cooled, gas-powered unit operates at 13 horsepower and 7,000 running watts.
The 8750 generator features a Predator gas engine, electric start with recoil back-up, 12-hour running time and 1-1/4 inch protective cage. It operates on 120 volts using 20 amp outlets and utilizes UL listed circuit breakers, and is suitable for use in emergencies, at construction sites, for heating and cooling, and for lawn and garden applications. Predator Generators offers a limited 90-day warranty that guarantees the unit to be free from defects in material and workmanship.