PTA780-G1 Googol diesel engine:
Prime Output: 300kW @1500rpm 360kVA
Standby Output: 330kW @1500rpm
Displacement: 12.8L
Speed: 1500rpm or 1800rpm
Governor: Electrics
Cooling System: Fan with Radiator
Flywheel: SAE-1
Four Stroke
Bore*Stroke: 128*166
| Generator set | Genset Model | HGM343 | HGM358 |
| Rating Power (kW/kVA) | 250/312.5 | 260/325 |
| Standby Power(kW/kVA) | 275/343 | 286/358 |
| System Voltage | 400/230 | 400/230 |
| Rating Ammeter(A) | 451 | 469 |
| Diesel engine | General data | Engine model | PTA780-G1 | PTA780-G1 |
| Prime Power(kW) | 290 | 290 |
| Standby Power(kW) | 330 | 330 |
| number of Cylinder & Configurationationation | 6 cylinders in line | 6 cylinders in line |
| Bore X Stroke (mm) | 128X166 | 128X166 |
| Displacement(l) | 12.8 | 12.8 |
| Compression Ratio | 15.5:1 | 15.5:1 |
| Governor type | Electronic governor | Electronic governor |
| Rated speed(rpm) | 1500 | 1500 |
| Exhaust system | Exhaust gas flow(m³/min);/min);/min) | 54 | 56 |
| Exhaust gas temperature (ºC)rdm;C)rdm;C) | 480 | 480 |
| Max. exhaust back pressure(kPa) | 10 | 10 |
| Air intake system | Aspiration Type | Turbocharged & After cooledooledooled | Turbocharged & After cooledooledooled |
| Max. intake depression(mbar) | 6 | 6 |
| Combustion air Volume(m³/min);/min);/min) | 21 | 21 |
| Fuel system | Rating Fuel Consumption(l/h) | 64 | 67 |
| 75% full Fuel Consumption(l/h) | 48 | 50 |
| Lubrication system | Total oil capacity(l) | 40 | 40 |
| Max permissible oil temp (ºC)rdm;C)rdm;C) | 110 | 110 |
| Oil pressure at rated rpm(KPA) | 240-350 | 240-350 |
| Cooling system | Total Coolant capacity(l) | 65 | 65 |
| Max. temperature of coolant (ºC)rdm;C)rdm;C) | 100 | 100 |
| Fan cooling air flow(m³/min);/min);/min) | 490 | 490 |
| Alternator | Alternator model | MGA315-250-4S | MGA315-260-4S |
| Rating Voltage(V) | 400/230 | 400/230 |
| Rating Capacity(KW/KVA) | 250/312.5 | 260/325 |
| Eff.% | 93.20% | 93.50% |
| Power Factor | 0.8 | 0.8 |
| Exciting type | Brushless self-exciter AVR | Brushless self-exciter AVR |
| Voltage regulation | ±1%lusmn;1%lusmn;1% | ±1%lusmn;1%lusmn;1% |
| No. of Phase | 3 phase 4 wire | 3 phase 4 wire |
| Enclosure Class | IP121 | IP121 |
| Class of Insulation | H | H |
| Battery | Rating Capacity(AH) | 2X150AH 12V | 2X150AH 12V |
| Dimension | Generator set dimension (LXWXH) | 2900x1120x1550 | 2900x1120x1550 |
| Weight | Generator set Net Weight (kg) | 2380 | 2400 |