| Model No. | YDG5500R | YDG5500E | YDG5500R3 | YDG5500E3 |
| Rated Frequency | 50 / 60 Hz |
| Rated Output Power | 4.2 / 5.0 KW |
| Max Output Power | 4.5 / 5.5 KW |
| Rated Voltage | 232V | 400/230V 400/230V |
| Rated Current | 18.3 21.7/43.5 A | 7.6/9.0 A |
| Rated Rotation Speed | 3000/3600 rpm |
| Phase Number | Single phase | Three phase |
| Power Factor Cos | 1 | 0.8 |
| Insulation Class | F |
| Number of poles | 2 |
| Voltage Regulate Type | AVR |
| Panel Form | Normal Panel |
| Output Voltage | 230V | 400/230V |
| Output Form | 230V socket×2 | 400/230V socket×1, 230V socket×1 |
| DC Output | DC12V8.3A binding post | -- | -- |
| Size(L*W*H) | 720*492*650mm |
| Net Weight | 100 KGS | 105 KGS | 100 KGS | 105 KGS |
| Gross Weight | 110 KGS | 115 KGS | 110 KGS | 115 KGS |
| Noise Level | 92dB |
| Structure Form | Open frame |
| Engine Model No. | DD186F |
| Engine Type | Single cylinder,4-stroke,direct injection |
| Engine Bore*Stroke | 86*70mm |
| Displacement | 406cc |
| Rated Output Power | 5.7KW/3000rpm |
| Compression Ratio | 19:01 |
| Engine Speed | 3000rpm |
| Ignition System | Compression-ignition |
| Cooling Type | Air-cooled |
| Lubrication System | Compression-spray |
| Engine Start | Recoil start | Electric start, Battery 12V24-36AH | Recoil start | Electric start, Battery 12V24-36AH |
| Diesel Type | 0# (summer), -10# (winter), -35# (frost) diesel |
| Engine Oil Grade | SAE10W30(above CD grade) |
| Engine Oil Capacity | 1.65 L |
| Specific Fuel Consumption | 276g/kw.h |
| Diesel Tank Capacity | 12.5 L |
| Continuous Operation Hours | 12hr |