Specifications include, but are not limited to: Trailer Mounted Generator with: Switchable single and 3 phase operation 120/240, 120/208 and 277/480 voltages Prime rating no less than 75 kVA/60 kW Sound Pressure Level – no greater than 67dB at 23 ft. Battery charger Coolant heater Street legal trailer with electric or hydraulic trailer brakes Diesel fuel source Fuel tank capacity providing at least 24 hours of operation at 50% capacity Winter operating capability including ability to function at below zero degrees Fahrenheit Trailer Mounted Generator with: Switchable single and 3 phase operation 120/240, 120/208 and 277/480 voltages Prime rating no less than 569 kVA/455 kW Sound Pressure Level – no greater than 75 dB at 23 ft. Battery charger Coolant heater Street legal trailer with electric or hydraulic trailer brakes Diesel fuel source Fuel tank capacity providing at least 24 hours of operation at 50% capacity Winter operating capability including ability to function at below zero degrees Fahrenheit