| MODEL OF GEN-SET | GB20SNH | GB24SNH | GB30SNH |
| DIESEL ENGINE | Model | 495AD | 495AD | 495AZD |
| Type | Four-stocke,water-cooling,vertical |
| Nb. of cylinder | 4 | 4 | 4 |
| Bore*Stroke(mm) | 95*115 | 95*115 | 95*115 |
| Ttl.Displacement(L) | 3.26 | 3.26 | 3.26 |
| Compression ratio | 16.5:1 | 16.5:1 |
| Air intake mode | naturally-aspriated | turbocharged |
| Rated output(KW) | 33.0KW | 33.0KW | 37.7KW |
| Rated speed(rpm) | 1500 |
| Fuelconsumption(g/kw.h) | ≤251.6 | ≤251.6 | ≤251.6 |
| Oil consumption(g/kw.h) | 1.4 | 1.4 | 1.4 |
| Cooling method | water-cooled with radiator |
| Starting method | D.C.12V or 24V Electric starting |
| ALTERNATOR | Model | TF(D)W-20KW-4P | TF(D)W-24KW-4P | TF(D)W-32KW-4P |
| Rated power | 20KW | 24KW | 30KW |
| Rated voltage | 220V, 380/220V, …/120/240V, 208/120V… |
| Rated current | 83.3A/166.6A | 100A/200A | 125A/250A |
| Rated frequency | 50HZ/60Hz |
| Rated speed(rpm) | 1500/1800 |
| Power factor | 1 for single phase/0.8 lagging for 3-phase |
| Phase connection | single phase or three phase |
| Winding connection | 3 or 4 -wire connected(12-wire for 3-phase) |
| Excitation method | Brushless |
| Voltage regulation | AVR |
| CONTROL PANEL | V-meter,A-meter,Frequency meter , circuit breaker,transfer switch,AVR, temp. and pressure gauges, lighter,hour meter,engine protection device, key starter, etc. |
| G/N. WET(kg) | 980/920 | 1000/940 | 1100/1000 |
| PACKING SIZE(cm) | 200*98*112 | 205*98*112 | 230*110*130 |
