Briggs & Stratton Vanguard™ OHV Engine - 15.00 HP. Electric Start delivers effortless starting with the push of a button. PowerSurge™ Alternator provides extra surge wattage to start multiple motor driven tools or appliances simultaneously. Automatic Voltage Regulation helps maintain steady voltage for sensitive electronics. Flip-up outlet cover keeps outlets clean and protected. Lo-Tone Muffler keeps noise levels to a minimum. Fold down handles for easy portability. 10 in pneumatic wheels for all-terrain mobility.