A new ACR(Automatic Voltage Regulator) Delivers non-flutuating power Powerful BN186FE diesel engine Optional electric starter Low oil pressure alert system shuts down the engine Automatically Air-cooled Diesel Engine Model 2800DCE 3800DCE 5800DCE 5800DCE/b Engine Modelo 170F 178FE 186FE Rated frequency(Hz) 50 60 50 60 50 60 50 60 Rated voltage(V) 220 220/110 220 220/110 220 220/110 380/220 380/220 Rated currency(A) 7.7 9.1/18.2 12.7 15/30 19 22.7/45.5 11/19.1 13.1/22.75 Rated output power(KW) 1.7 2 2.8 3.3 4.2 5 4.2 5 Max output power(KW) 2 2.2 3.2 3.8 4.6 5.5 4.6 5.5 Rated rotation speed(rpm) 3000 3600 3000 3600 3000 3600 3000 3600 Power factor(cos) 1 Structure type Open-fram type Starting system Electric starter Noise level(Dba) 75 76 78 78 Overall dimension(mm) 640?80?50 660?05?65 745?05?55 745?05?55 Net weight(kg) 55 60 95 95