Features：
Small size, compact, light，Integrated overload, under-voltage, over-voltage and overheat protection efficiently protect the alternator ，ECO mode allows to match different engine rotation speed under different load
| MODEL | WM4000i | WM6000i |
| Engine Model | W230F | W300F |
| Engine Type | Forced air-cooled,4-stroke,OHV |
| Output Power | 4.8kW/3600rpm | 6.3kW/3600rpm |
| Bore×Stroke | 70×58 | 80×60 |
| Displacement | 223cc | 302cc |
| Oil Capacity | 0.6L | 0.95L |
| Fuel tank Capacity | 9L | 20L |
| Continue Running time | 5h | 6h |
| Frequency | 50 Hz/60 Hz |
| Rated Voltage | 110V/120V/230V/240V |
| Rated Power | 3.5kW | 5kW |
| Max Power | 3.8kW | 5.5kW |
| Electric Output Standard | ISO8528 G2 |
| THD % | ≤3 |
| DC Voltage | 12V |
| DC Current | 8.3A |
| Starting | manual | manual/electric start |
| Over Load Protection | DC | Fuse free overcurrent protector |
| AC | Overcurrent protection control program |
| Noise | ≤75dB(A) | ≤75dB(A) |
| Dimension (L×W×H) mm | 455×425×487 | 555×560×580 |
| Packing Dimension | 470×440×510 | 570×575×610 |
| (LxWxH) (mm) |
| Loading capacity/40HQ | 625 | 320 |
| N.W/G.W(kg) | 30/33 | 59/63 |
