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dingbo@dieselgeneratortech.com
+86 134 8102 4441
Jul. 05, 2025
Technical data of 64kW/80kVA Diesel Generator Set
Genset Model: DB-64GF
Prime power: 64kW/80kVA
Standby power: 70kW/87.5kVA
Engine: Cummins 4BTA3.9-G11
Alternator: Shanghai Stamford GR225G
Controller: SmartGen HGM6110N-4G-G
| Configuration Features | |
| Engine：Cummins 4BTA3.9-G11, Meet GB 20891-2014 China Stage II emission requirements | Alternator: Single bearing, IP23 protection, H class insulation. |
| 40/50°C genuine radiator with cooling fan and fan safety guard | Air filter, fuel filter, oil filter |
| Chassis and vibration absorber | Standard control panel (integrated) |
| 24V charging generator | Gas exhaust bellows, gas exhaust elbows, industrial silencers and standard parts for connections |
| Electronic Governor | Accompanying documentation |
| Maintenance-free lead-acid batteries and battery connection cables | |
| Different voltage levels | ||||||
| Voltage (V) | Frequency (Hz) | Phase | Power factor | Current( A) | Standby power | Prime Power |
| 440/254 | 50 | 3 | 0.8 | 105 | 70kW/87.5kVA | 64kW/80kVA |
| 415/240 | 50 | 3 | 0.8 | 111.3 | 70kW/87.5kVA | 64kW/80kVA |
| 400/230 | 50 | 3 | 0.8 | 115.5 | 70kW/87.5kVA | 64kW/80kVA |
| 380/220 | 50 | 3 | 0.8 | 121.5 | 70kW/87.5kVA | 64kW/80kVA |
Prime power (PRP): According to GB/T 2820 (equivalent to ISO 8528), the generator can operate unlimited hours within a specified power range, allowing a cumulative 10% overload for 1 hour every 12 hours of operation.
Standby power(ESP): Standby power represents the maximum power limit for emergency use. It shall not be exceeded and is equivalent to the fuel cut-off power.
| Engine Specifications | ||
| Manufacturer & engine Model： | Cummins 4BTA3.9-G11 | |
| Air intake system: | Turbochanger& Aftercooler | |
| Fuel system： | BYC PB | |
| Cylinders no. & Type： | 4 cylinders, in-line | |
| Displacement： | 3.9 L | |
| Bore x Stroke： | 102×120 mm | |
| Compression Ratio： | 17.3:1 | |
| Engine Speed： | 1500rpm | |
| Engine minimum power： | 70kW / 93hp | |
| Engine maximum power： | 80kW / 107hp | |
| Governor system： | Electronic Governor | |
| Noise: | 100.9dB | |
| Exhaust system | ||
| Exhaust Volume： | 8.04m³/min | |
| Exhaust Gas Temperature： | 548°C | |
| Maximum Back Pressure： | 10 kpa | |
| Air intake/ Exhaust system | ||
| Maximum Intake Air Restriction: | 6 .2kPa | |
| Air Flow Rate： | 4.2 m3/min | |
| Exhaust Gas Flow Rate： | 158m3/min | |
| Fuel system | ||
| Fuel Consumption @ 100% prime power | 208g/kW·h | 17.6L/h |
| Fuel Consumption @ 75% prime power | 208g/ kW·h | 13.2 L/h |
| Fuel Consumption @ 50% prime power | 214g/ kW·h | 9.1 L/h |
| Lubrication system | ||
| Minimum Required Lube System Capacity | 11L | |
| Engine Oil Consumption rate： | ≤4g/kwh | |
| Sump Oil Capacity： | 8.9~9.5L | |
| Cooling System | ||
| Total Coolant Capacity: | 24L | |
| Maximum Top Tank Temperature for Standby Power： | 104°C | |
| Alternator Specifications | |
| Meet BS5000, VDE0530, NEMA MG1-22, IEC34, CSA C22 and AS1359 standards | |
| Technical Data | |
| Phase： | 3 |
| Wire connecting method： | Y type, 3 phase 4 wire |
| Bearing： | 1 |
| Power Factor： | 0.8 lag |
| Protection: | IP23 |
| Altitude requirements： | ≤1000m |
| Exciter type: | Brushless Self-Excited |
| Insulation/temperature rise class： | H/H |
| Waveform TIF： | <50 |
| Waveform THF： | <2% |
| Rated Capacity： | 64kW / 80kVA |
| Efficiency： | 90% |
| Genset Technical Specifications | |
| Voltage adjustment rate： | ≥±5% |
| Steady-state voltage regulation rate： | ≤±1% |
| Transient voltage deviation (100% sudden power reduction): | ≤+25% |
| Transient voltage deviation (sudden power increase): | ≤-20% |
| Voltage stability time (100% sudden power reduction): | ≤6S |
| Voltage stability time (sudden power increase)： | ≤6S |
| Frequency adjustment rate: | 0-5% |
| Steady-state frequency band: | ≤1.5% |
| Transient frequency deviation (100% sudden power reduction)： | ≤+12% |
| Transient frequency deviation (sudden power increase)： | ≤-10% |
| Frequency stability time (100% sudden power reduction)： | ≤5S |
| Frequency stability time (sudden power increase)： | ≤5S |
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E-mail: dingbo@dieselgeneratortech.com
WhatsApp: +86 134 8102 4441
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