Earthquake 10310 Dually 1 or 2-Person Earth Auger Powerhead - 52cc 2-Cycle Viper Engine Virtually indestructible jobsite handlebars protect entire engine and its components; Centrifugal clutch slips upon sudden impact Outstanding power, speed, and durability. Two throttle controls mounted on the handle bars for several operating positions One or two man operation; Comfortable anti-vibration, foam-grip handles Five-bearing transmission, industrial air filtration system and quick-start primer; Durable, ball bearing, steel gear transmission Lightweight, heavy-duty construction; 5 year warranty on product if it was purchased on or after 3/15/2017