Generac 25KW generator

Single phase 240/120 volt, 2008, 491 hours. Propane or natural gas. No propane regulator or battery. Comes with 150 amp auto transfer switch. 2.4L Mitsubishi engine, water heater, electronic controls. Can hear run. Can be used in manual mode if you have a double throw switch already, you would just need to go out and start it (like a pto generator).