Product Name：LPG/NG/Petrol generator Model Number:LPG/NG/Petrol generator Product descriptions: Patent products LPG/NG/Gas Generaor 2KW~6KW Main feature: 1, EPA gasoline engine 2, copper wire 100% 3, forged steel crankshaft 4, LPG/NG/Gas 3 fuel easily switch 5, No leaking of LPG/NG (like other similar products from China or Japan) after the stop is guaranteed! 6, one year warranty Comparision LPG,NG and Petrol   Model GSL2500-LNG symbol GSL: means generator type 2500: means max.power 2500W L: means LPG material N: means Nature Gas G: means Gasoline fuel Model GSL2500-LNG GSL3000-LNG GSL6500-LNG Generator AC Frequency 50Hz 60Hz 50Hz 60Hz 50Hz 60Hz AC Voltage 230V 110-120V 230V 110-120V 230V 110-120V Max AC output from GASOLINE 2200W 2500W 2800W 3100W 5500W 6000W Rated AC outpower from Gasoline 2000W 2200W 2500W 2800W 5000W 5500W Rated AC outpower from LPG 2000W 2200W 2500W 2800W 5000W 5500W Rated AC outpower from NG 1800W 2000W 2300W 2500W 4500W 5000W DC output 12V, 8.3A 12V, 8.3A 12V, 8.3A Engine Engine type 4 stroke, OHV, GX160 4 stroke, OHV, GX200 4 stroke, OHV, GX390 Displacement 168cc 196cc 389cc Bore x Stroke 68 x 45mm 68 x 54mm 88 x 64mm Max. Power output 5.5HP/3600rpm 6.5HP/3600rpm 13.0HP/3600rpm Starting system Recoil Recoil Recoil Fuel tank capacity 15 L 15 L 25 L Noise Level @ 7m 68dB(A) 68dB(A) 72dB(A) Packing carton dimension 604x440x460mm 605x440x460mm 700x525x560 G.W./N.W.  45/42 kgs 48/45 kgs 86/82kgs