| Genset Model | HGM688E | |
| Genset Prime Output | kW/kVA | 500/625 |
| Genset Standby Output | kW/kVA | 550/687.5 |
| Rating Power Factor | 0.8 | |
| Rating Speed | rpm | 1500 |
| Rating Frequency | Hz | 50 |
| Rating Voltage | V | 400 |
| Engine Model | PTAA18E-G3 | |
| Displacement | l | 18.3 |
| Configuration | 10V | |
| Genset Size-Open Type (LxWxH) | mm | 3300x1450x2100 |
| Genset Weight | kg | 3800 |
| Engine Model | PTAA18E-G3 | |
| Engine Standby Output (LTP) | kW | 625 |
| Engine Prime Output (PRP) | kW | 570 |
| Engine Continuous Power (COP) | kW | 440 |
| Typical Alternator Efficiency | 94.1% | |
| Speed droop (static) elect. Gov. | 0-5% | |
| Governing standards to ISO 8528 | G3 | |
| Max. step load acceptance, 1st step(% PRP) | 50% | |
| Engine Data in General | ||
| Aspiration Type | Turbocharger, air- air aftercooler | |
| Injection Type | Common rail | |
| Configuration | Vee | |
| No. of Cylinders | 10 | |
| Displacement | l | 18.3 |
| Bore | mm | 128 |
| Stroke | mm | 142 |
| Compression Ratio | 15.5:1 | |
| Piston Speed | m/s | 7.1 |
| Rotation Direction (from flywheel) | Counter Clockwise | |
| Number of Flywheel Teeth | 160 | |
| Flywheel House Size | SAE1-14 | |
| Lubrication System | ||
| Lube Oil Specification | AFI-CG4 | |
| Oil Capacity | l | 34 |
| Max. Permissible Oil Temperature | °C | 110 |
| Oil Pressure Warning | kPa | 200 |
| Oil Pressure Shutdown | kPa | 160 |
| Oil Consumption (as % of fuel consumption ) | % | ≤0.5 |
| Cooling System | ||
| Coolant Capacity for Engine | l | 21 |
| Max. Permissible Temperature | °C | 90 |
| Max. Coolant Warning Temperature | °C | 95 |
| Max. Coolant Shutdown Temperature | °C | 105 |
| Thermostat Open Temperature | °C | 71 |
| Radiator Cooling Flow | m³/min | 688 |
| Flow of Coolant pump | m³/h | 42 |
| Heat dissipation (engine radiator) | kW | 293 |
| Heat dissipation (convection) | kW | 44 |
| Fuel System | ||
| Governor Type | Common Rail | |
| Fuel Consumption at 25% of genset prime output | l/h | 27 |
| Fuel Consumption at 50% of genset prime output | l/h | 73 |
| Fuel Consumption at 75% of genset prime output | l/h | 102 |
| Fuel Consumption at 100% of genset prime output | l/h | 136 |
| Lowest Fuel Consumption Ratio | g/kW.hr | 199 |
| Intake & Exhaust System (On Standby Output) | ||
| Combustion Air Consumption | m³/min | 47 |
| Max. Intake Restriction | KPa | 5 |
| Exhaust Temperature (Before Turbo) | °C | 680 |
| Exhaust Temperature (After Turbo) | °C | 525 |
| Max. Exhaust Back Pressure | Kpa | 5 |
| Exhaust Gas Flow | m³/min | 56.1 |
| Turbo Bellows Diameter | mm | DN150 |
| Exhaust Flange Diameter | mm | DN150 |
| Electrical System | ||
| Charging Alternator Voltage | V | 28 |
| Charging Alternator Capacity | A | 35 |
| Starting Voltage | V | 24 |
| Starting Motor Capacity | kW | 1*6.6 |
| Minimum Battery Capacity | Ah | 2*150 |
| Emission Data | ||
| CO | g/kW.h | 0.882 |
| HC | g/kW.h | 0.241 |
| NOX | g/kW.h | 5.483 |
| PM | g/kW.h | 0.158 |
| Generator-Googol Power | ||
| Generator Model | GP625-4P | |
| Capacity @ 0.8PF, H Rise Class | kW | 500 |
| Efficiency @ 0.8PF | % | 94.1 |
| Duty | S1 | |
| Bearing | Single | |
| Insulation | H | |
| Rise Temperature | H | |
| Enclosure | IP23 | |
| Over speed | rpm | 2250 |
| Excitation System | AVR | |
| AVR Model | SX440 | |
| Poles | 4 |
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