Model: SJ2500 2kw Rated Frequency ( Hz ): 50 / 60 Rated Voltage ( V ): 110 / 120 / 220 / 230 / 240 Max. Power Output ( KW ): 2.3 / 2.5 Rated Power Output ( KW ): 2.1 / 2.3 Phase: Single Voltage Regulate: AVR Power Factor: 1 Engine Model: SJ170FE Bore Stroke ( mm ): 70 54 Compression Ratio: 8.5 : 1 Starting System: Recoil Start & Electric Start Engine Oil Capacity ( L ): 0.6 Fuel Tank Capacity ( L ): 15 Engine Type: Forced Air-Cooled, 4 Stroke, Single Cylinder N.W. / G.W. (KG): 44 / 47 Dimension (LWH): 610 450 465 20FT (set) : 240