4500/6500 Brushless generator,maintenance free Oil level warning system,engine stop automatically when oil level has fallen below the prescribled level Fuel garge,fuel level confirmation at a glance Frame, easy to carry & good protection Non fuse breaker, Easier on & off of AC output with circuit breaker. Generator Model 4500 6500 Frequency ( Hz) 50 50 Rated Power (W) 3500 5000 Max Power (W) 3800 5500 Voltage (V) 220 220 Rated Current (A) 15.9 22.7 Run Time (Hrs) 10 8 Engine Mixed Gas. & Oil Gasoline Fuel Tank (L) 22 Displacement 270cc 389cc Noise Level (at 7m) 70 dB 72 dB Engine Type Force Air-Cooled,4-Stroke,OHV Package Dimension (cm) L70xW56xH57.5 N/G W. (cm) 50/52 61/63 20 FCL (Pcs) 124 3500/5500 Brushless generator,maintenance free Oil level warning system,engine stop automatically when oil level has fallen below the prescribled level Fuel garge,fuel level confirmation at a glance Frame, easy to carry & good protection Non fuse breaker, Easier on & off of AC output with circuit breaker. Generator Model 3500 5500 Frequency ( Hz) 50 50 Rated Power (W) 2700 4000 Max Power (W) 3000 4400 Voltage (V) 220 220 Rated Current (A) 12.3 18.2 Run Time (Hrs) 10 10 Engine Mixed Gas. & Oil Gasoline Fuel Tank (L) 12 22 Displacement 196cc 337cc Noise Level (at 7m) 68 dB 71 dB Engine Type Force Air-Cooled,4-Stroke,OHV Package Dimension (cm) L61Xw44xH46 L70xW56xH57.5 N/G W. (cm) 48/50 77/80 20 FCL (Pcs) 124