The Lifan OHV design provides better fuel efficiency, quieter operation and longer life. Ideal for those looking for exceptional value plus premium quality. Industrial grade 15 HP OHV Lifan engine. 8000W surge power/7000W continuous power.12V DC power receptacle/plug, cord and alligator clips included. Heavy duty wheel kit with 10" ever flat foam filled tires. Low oil shutdown for maximum engine protection.