DCEC QSG12-G4 Generator Drive Engine
DCEC QSG12-G4 generator drive engine is a 6-cylinders in line,13 liter four-strokes engine with 132 mm bore and 144 mm stroke.
Equipped with Electrically Control High-pressure Common Rail, comes with Air-air Charge Cooled.
The prime power for 50 Hz generator set (1800 RPM) of DCEC QSG12-G4 generator drive engine is 383 kW.
As part of EMAC, SinoGen also provide complete power supply solutions that powered by DCEC , our ranges of products including open type generator set, silence type generator set, super silence type generator set, mobile trailer, complete power truck and complete power car for railways applications.
We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
Advantages of QSG12-G4 G-Drive Engine
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XPI ultra-high pressure fuel injection system is adopted, and the fuel injection pressure is up to 2400 bar;
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Through precise combustion control, the minimum specific fuel consumption can reach 186 g/kW.h, and the low fuel consumption area is wide and more fuel-efficient.
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Integral all-steel piston design, cylinder block and crankshaft made of high-strength materials, can withstand super high explosion pressure of 230 bar, rigorous component test verification, higher engine strength, and excellent reliability.
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Excellent overall configuration, lighter weight and more compact structure in similar products, the maximum output power can reach 500 kilowatts, and the power is surging.
Technical Specifications
| Engine Model: | QSG12-G4 |
| Engine Type: | 6 Cylinders |
| Displacement: | 11.8 L |
| Rated Speed: | 1800 RPM |
| Rated Power / Speed: | 383 kW @ 1800 RPM |
| Fuel System: | High Pressure Common Rail |
| Aspiration Method: | Air-air Charge Cooled |
| Emission Standard: | Euro III |
| Bore * Stroke: | 132 mm * 144 mm |
| Packing Size (L * W * H): | 2293 mm * 1083 mm * 1705 mm |
| Wet Weight: | 1110 kg |
| Lead Time: | 15-30 Working Days |
| Payment Terms: | T/T ,L/C |
General Infomation of DCEC QSG12-G4 Generator Drive Engine |
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| Engine Model | QSG12-G4 | Fuel Rating | FR21318 | |
| Type | 4 cycle, in-line, Turbocharged, Air-Cooled | Cylinder Block | Cast Iron, 6 Cylinder | |
| Battery Charging Alternator | 110 Amps | Starting Voltage | 24 – Volt | |
| Fuel System | Cummins HPCR | Weights and Dimensions(L * W * H) | 2293 mm * 1083 mm * 1705 mm | |
| Bore * Storke | 132 mm * 144 mm | Lube oil capacity | 34.1 L | |
| Displacement | 11.8 L | Weight (dry) | 1110 kg | |
| ——END—— | ||||
Installation Data of DCEC QSG12-G4 Generator Drive Engine |
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| Cooling System Design | Air-air Charge Cooled | ||
| Coolant Ratio | 50% Ethylene Glycol ; 50% Water | ||
| Coolant Capacity | 48.0 L | ||
| Limiting Ambient Temp | 55 ℃ | ||
| Fan Power | 24.3 kWm | ||
| Cooling System Air Flow | 8.4 m³/s | ||
| ——END—— | |||
| Engine Performance Data of QSG12-G4 Generator Drive Engine | |||||||||||
| Rotation Speed | 1500 RPM | Specification | 50 Hz | ||||||||
| Prime Power | Net engine output | Typical generator set output | |||||||||
| Standby | Prime | Base | Standby | Prime | Base | Standby (ESP) | Prime (PRP) | Base (COP) | |||
| kWm / BHP | kWm / BHP | kWe | kVA | kWe | kVA | kWe | kVA | ||||
| 409 kWm / 549 BHP | 371 kWm / 498 BHP | 334 kWm / 448 BHP | 390 kWm / 523 BHP | 356 kWm / 477 BHP | 319 kWm / 428 BHP | 364 kWe | 455 kVA | 333 kWe | 416 kVA | 298 kWe | 372 kVA |
| Rotation Speed | 1800 RPM | Specification | 60 Hz | ||||||||
| Prime Power | Net engine output | Typical generator set output | |||||||||
| Standby | Prime | Base | Standby | Prime | Base | Standby (ESP) | Prime (PRP) | Base (COP) | |||
| kWm / BHP | kWm / BHP | kWe | kVA | kWe | kVA | kWe | kVA | ||||
| 466 kWm / 625 BHP | 424 kWm / 569 BHP | 382 kWm / 512 BHP | 445 kWm / 597 BHP | 408 kWm / 547 BHP | 366 kWm / 491 BHP | 418 kWe | 523 kVA | 383 kWe | 479 kVA | 344 kWe | 429 kVA |
| —END— | |||||||||||
| Fuel Consumption of QSG12-G4 Generator Drive Engine | |||||||||
| Rotation Speed | 1500 RPM (50 Hz) | Rotation Speed | 1800 RPM (60 Hz) | ||||||
| % | kWm | BHP | L/hr | US Gal./ hr | % | kWm | BHP | L/hr | US Gal./ hr |
| Standby Power | |||||||||
| 100% | 409 kWm | 549 BHP | 92 L/hr | 24.2 US Gal./ hr | 100% | 466 kWm | 625 BHP | 107 L/hr | 28.3 US Gal./ hr |
| Prime Power | |||||||||
| 100% | 371 kWm | 498 BHP | 82 L/hr | 21.5 US Gal./ hr | 100% | 424 kWm | 569 BHP | 96 L/hr | 25.2 US Gal./ hr |
| 75% | 279 kWm | 374 BHP | 60 L/hr | 15.9 US Gal./ hr | 75% | 318 kWm | 427 BHP | 69 L/hr | 18.3 US Gal./ hr |
| 50% | 186 kWm | 249 BHP | 41 L/hr | 10.8 US Gal./ hr | 50% | 212 kWm | 285 BHP | 47 L/hr | 12.5 US Gal./ hr |
| 25% | 93 kWm | 125 BHP | 22 L/hr | 5.7 US Gal./ hr | 25% | 106 kWm | 142 BHP | 26 L/hr | 6.8 US Gal./ hr |
| Continuous Power | |||||||||
| 100% | 334 kWm | 448 BHP | 73 L/hr | 19.2 US Gal./ hr | 100% | 382 kWm | 512 BHP | 84 L/hr | 22.2 US Gal./ hr |
| —END— | |||||||||
| System Technical Data of QSG12-G4 Generator Engine | ||
| Lubrication system | Oil Pressure at Minimum Idle Speed | ≥ 3 Bar |
| Oil Pressure at Governed Speed (1500 / 1800 RPM) | ≥ 1 Bar | |
| Max Oil Temperature | <130 | |
| Oil Capacity with OP 2228: Low – High | <0.3% of Fuel Consumption | |
| Total System Capacity (With Combo Filter) | Flywheel Side | |
| Cooling System | Max Coolant Friction Head External to Engine (1500 / 1800 rpm) | 17 L |
| Water-Pump Flow | 260 L / MIN | |
| Water-Pump Pressure | 1.25 Bar | |
| Allowable Pressure Loss of Cooling System (Include Pipeline) | ≤0.35 | |
| Heat Carry Off By Coolant | 147 kW | |
| In＆Outlet Coolant Size | 70 mm | |
| Temperature of Switch On Two Thermostats Respectively | 79 / 87 ℃ | |
| Temperature of Switch On Two Thermostats Totally | 94 / 102 ℃ | |
| Max. Allowable Operating Temperature | 103 ℃ | |
| Temperature Difference Between Inlet And Outlet Coolant | ≤8 ℃ | |
| Inter-Cooler Cooling Power | 85 kW | |
| Charge Air Outlet Size | 90 mm | |
| Fan | Exhaust Type | |
| Fan Connection | Gear Driver + Coupler | |
| Fan Diameter | 880 mm | |
| Air Volume of Fan | 4.6 m³ / s | |
| Fan Power Consumption | ≤14 kW | |
| Fan Transmission Ratio | 0.96 | |
| Cold starting system | Lowest Ambient Temperature Of Cold Starting Without Assistant (Standard Configuration) | – 17 ℃ |
| Lowest Ambient Temperature Of Cold Starting With Flame Preheat Plug | – 32 ℃ | |
| Fuel System | Cylinder Ignition Sequence | 1-6-3-5-2-4 |
| Idle Speed | 600±50 RPM | |
| Low-Pressure Pump Oil Load Capacity | 190 L/h | |
| Fuel Filter Element Type | Disposable filter | |
| No. Of The Fuel Filter Element | 2 | |
| —END— | ||
Scopes of Supply of DCEC QSG12-G4 Generator Drive Engine |
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| Air Intake System | 1. Air Intake Manifold | Exhuast System | 1. Exhuast Manifold |
| 2. Standard Air Filter | 2. Turbocharger | ||
| 3. Water-Air Intercooler | 3. Exhuast Elbow | ||
| Starting System | 1. Starter Motor | Charging System | 1. Charging Alternator |
| 2. Starter Rely | 2. N/A | ||
| Lubricating System | 1. Oil Pump | Cooling System | 1. Water Pump |
| 2. Oil Filter | 2. Engine Fan | ||
| 3. N/A | 3. Standard Radiator | ||
| Engine Shut-Down System | 1. Engine Fuel Shut-Off Solenoid | Power Output System | 1. Flywheel |
| 2. N/A | 2. Standard Flywheel Housing | ||
| Fuel System | 1. Fuel Transfer Pump | ||
| 2. High-Pressure Fuel Pump | |||
| 3. Fuel Filter | |||
| ——END—— | |||
Optional Accessories of DCEC QSG12-G4 Generator Drive Engine |
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| Air Intake System | 1. Air Intake Pre-Heater | Exhuast System | 1. Muffler & Bellows |
| 2. Air Intake Shut-Off Valve | 2. Spark Arrestor Type Muffler & Bellows | ||
| 3. Heavy-Duty Air Filter | 3. DPF System | ||
| 4. Plateau Type Air Filter | 4. N/A | ||
| Fuel System | 1. Coarse Filter | Lubricating System | 1. Oil Pre-Heater |
| 2. Fuel Pre-Heater | 2. N/A | ||
| Starting System | 1. Manual Magnetic DC Contactor | Cooling System | 1. Silent Type Radiator |
| 2. Dual Ears Flywheel Housing | 2. Plateau Radiator | ||
| 3. Spring Starter Motor | 3. Salt-Spray Resistant Radiator | ||
| 4. Air Starter Motor | 4. Coolant Pre-Heater | ||
| 5. Hydraulic Starter Motor | 5. Jacket Water Heater | ||
| 6. Manual Magnetic DC Contactor | 6. N/A | ||
| ——END—— | |||
As part of EMAC, SinoGen focusing on generator set related business, from Generator drive engine power pack to complete generator set, from generator control panel to synchronizing cabinet, from super silent type generator set to mobile power trailer, SinoGen provides professional one-stop solution for everything customer needed for generator set.
For more information of our complete generator set products, you are welcome to visit SinoGen homepage: www.sino-gen.com
Modifiable components of DCEC QSG12-G4 Generator Drive Engine |
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| Air Intake System | 1. Installation Position of Air Filter | Charging System | 1. 12V Charging Alternator for 12V Electric System |
| 2. Upgrade to Heavy-Duty Type Air Fitler | 2. Explosion-Proof Charging Alternator | ||
| Exhuast System | 1. Position of Turbocharger | Lubricating System | 1. Oil Pan Position |
| 2. Water-Cooled Exhuast Manifold | 2. Number of Dipstick | ||
| 3. Water-Cooled Turbocharger | 3. Position of Dipstick | ||
| Fuel System | 1. Upgrade to Fuel Fitler that Integrated with Fuel Transfer Pump | Starting System | 1. 12V Starter Motor for 12V Electric System |
| Engine Shut-Down System | 1. 12V Solenoid for 12V Electric System | Power Output System | 1. Size of Flywheel Housing and Flywheel. |
| 2. Explosion-Proof Solenoid | 2. Dual-Ear Flywheel Housing (For Twin-Starter System) | ||
| ——END—— | |||
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
Engine Sale Manual
Installation Drawing
Installation Manual
Operation Manual
Parts Catalogue
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