Tier 3, Perkins 1104D-44TG1 4 Cylinder 4.4 L Diesel Engine, 70 kVA/56 kW Rated 3 Phase Output, 480 V / 277 V Rated Voltage, 240 V / 120 V Rated Voltage, Sound Attenuated, Bottom Mounted Fuel Tank, T/A Trailer, Lunette Ring, Electric Brakes