High-Efficiency 400kw 500kVA Natural Gas Generator LPG CNG LNG Methane Container Open Type Syngas Power Generator Gas Genset with CHP Cogenerator
Product Details
| Customization: | Available |
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| After-sales Service: | Customized |
| Warranty: | Customized |
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Basic Info.
- Model NO.
- AJG-400
- Output Type
- AC Three Phase
- Gas Source
- Natural Gas
- Certification
- CE, ISO
- Power
- >200kW
- Standard
- Standard
- Rated Power
- 400kw/500kVA
- Rated Current
- 720A
- Rated Voltage
- 230/400V
- Frequency
- 50/60Hz
- Speed
- 1500/1800rpm
- Regulator Brand
- Madas
- Gas Mixer Brand
- Woodward
- Water Temperature Brand
- Bosc H
- E-Throttle Brand
- Bosc H
- Spark Plug Brand
- Torch
- Alternator
- Brushless Alternator
- Intake Method
- Turbo
- Cooling Method
- Water Cooling
- Optional
- CHP/ATS/Logo/Silent Canopy
- Delivery Time
- 15-25 Days
- Transport Package
- Customized
- Specification
- 400kw500kva
- Trademark
- AJPOWER
- Origin
- China
- HS Code
- 8502200000
- Production Capacity
- 500 Sets/Mouth
Packaging & Delivery
- Package Size
- 350.00cm * 150.00cm * 180.00cm
- Package Gross Weight
- 2900.000kg
Product Description
Gas Generator
Our company independently develops a series of gas-fired units, using lean combustion technology to achieve overall electronic control of gas-fired units. The gas-fired units can use natural gas (CNG, LNG), liquefied petroleum gas (LPG), oilfield associated gas, coalbed methane (gas), and biogas, and are widely used in oil and gas fields, coal mines, landfills, farm biogas power generation, factory power stations, mining power supply combined heat, power, and cooling projects, and other civil fields. At present, the company's product spectrum covers a power range of 10kW-4000kW.
Specification
Applications
Main configuration
Main configuration
Engine: Yuchai original gas engine, advanced design, high reliability.
Gas control system: Woodward, USA, adopts lean combustion technology, can adapt to complex gas sources.
ALternator: 100% pure copper brushless (Leroy Somer, Samford, Mecc Alte, Marathon, etc.), can be customized according to requirements.
Intake valve group: All well-known domestic and foreign brands (MADAS, DUNGS, Madewelle, etc.)
Generator control system:
Intelligent monitoring panel with fault diagnosis function (DEIF, CO MAP, DEEP SEA, etc.)
Generator control system:
Intelligent monitoring panel with fault diagnosis function (DEIF, CO MAP, DEEP SEA, etc.)


Video display of this product
A professional manufacturer of gas generator/biogas generator/natural gas generator.
20 years of production experience in the dustry.
With the new lean combustion tecnology,high energy ignition and Venturi mixer,the natural gas power generation efficiency can reach >3.7kw.h/m³.Through the optimization of gas engine inlet and exhaust duct,all cylinders work evenly,exhaust smoothly,and greatly reduce cylinder temperature and exhaust temperature. The exhaust temperature in front of the turbine is only 600±10 degree centigrade . The service life of the gas generator set is 2 to 3 times that of the industry average.
20 years of production experience in the dustry.
With the new lean combustion tecnology,high energy ignition and Venturi mixer,the natural gas power generation efficiency can reach >3.7kw.h/m³.Through the optimization of gas engine inlet and exhaust duct,all cylinders work evenly,exhaust smoothly,and greatly reduce cylinder temperature and exhaust temperature. The exhaust temperature in front of the turbine is only 600±10 degree centigrade . The service life of the gas generator set is 2 to 3 times that of the industry average.



right elevation
left elevation
front elevation
Technical Specifications
(Custom configurations available upon request.)
Gas Generator set parameters | |||
Model | AJG-400 | Rated Power | 400KW/500KVA |
Certificate | CE,EAC | Continuous power | 320KW/400KVA(CH4≥90%) |
Gas Engine performance parameters | |||
Brand | Baudouin(WEICHAI) | Model | 6M33D450E310NG |
Type | Water-cooled, four-stroke, inline six-cylinder | Rated Power/Rated speed | 450KW/1500RPM |
cylinders-Bore*stroke | L6 - 150 *185 mm | Displacement | 19.6 L |
Intake method | Turbocharger intercooler | Gas consumption(100%Load) | ≤119(m³/h) |
Oil capacity | 56 L | Starting method | 24V DC |
Alternator performance parameters | |||
Brand | FIRST ALL | Model | QYI-354D |
Rated power | 400KW/500KVA | Voltage regulation | ≤±1 |
Voltage regulator | Brushless,Self Excitation | Excitation method | H |
Gas control system | |||
Brand | Woodward,USA | Mixer | Woodward Venturi Mixer |
Adopts technologies such as high-energy ignition, lean combustion, and exhaust gas bypass. | |||
Genset Control system parameters | |||
Controller Brand | DEIF | Controller Model | AGC150 |
Operation method | Manual/Automatic | Communication method | RS485/Modbus/CAN |
Realize automatic start and stop, data measurement, alarm protection and "three remote" functions of the generator set | |||
Drawings & Dimensions
Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.

After Sales Service
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Standard Warranty: 12 months or 1,500 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Gas generator sets are power equipment. After the engine runs for a long time, it is inevitable that problems such as wear and aging will occur. Regular maintenance is like a "physical examination" for the engine. It can detect and solve potential problems in time to prevent them from happening. Ensure that the engine always maintains the best operating state
Extended Warranty: Optional coverage up to 36 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Gas generator sets are power equipment. After the engine runs for a long time, it is inevitable that problems such as wear and aging will occur. Regular maintenance is like a "physical examination" for the engine. It can detect and solve potential problems in time to prevent them from happening. Ensure that the engine always maintains the best operating state
Replace the engine oil and filter
Check and replace the spark plug
Clean and check the cooling system
The engine oil is the blood of the engine. Regularly replacing the engine oil and filter can reduce wear and extend the life of the engine.
The spark plug is a key component for igniting the combustible mixture. Regular inspection and replacement can ensure the normal operation of the ignition system and avoid engine starting difficulties or unstable operation.
The cooling system is responsible for taking away the heat generated by the engine and maintaining its normal operating temperature. Regular cleaning and inspection prevents blockage or leakage of the cooling system to ensure that the engine is not damaged by overheating.
Check and adjust the transmission system
Comprehensive inspection and tightening
Use genuine accessories
The transmission system is responsible for transmitting the power of the engine to the load. Regularly check its working status and adjust and replace the worn parts in time to ensure transmission efficiency and reduce energy loss.
Combined with the A&J Power maintenance manual, formulate a personalized maintenance plan for each engine, and conduct a comprehensive inspection of the engine regularly, such as tightening loose bolts and nuts to prevent damage or falling off of components caused by vibration.
The generator sets produced by our company can provide genuine accessories. Using genuine parts can extend the life of your generator.
Company Profile

Why Choose Us?
Produced in the original factory, no middlemen to make a profit.
OEM/ODM capabilities.
Competitive pricing & bulk discounts.
Fast shipping & customs clearance support.
Turnkey project solutions.
Our generator sets offer higher point efficiency, lower operating costs, high flexibility, and optimized configuration to meet diverse application requirements.
Our generator sets can meet emergency, backup, primary, and continuous power generation needs in any challenging environment. When you need power, A&J POWER takes on the challenge, proving its worth in a wide range of commercial and industrial power generation applications.
We are committed to providing reliable products, high-quality services and strong technical support, and becoming a professional power solution expert. This has been throughout our various businesses and innovations. We are committed to providing reliable products, high-quality services and strong technical support, making full use of resources, saving costs and energy, and protecting the environment.
Certifications






FAQ
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Q: How long is the order delivery cycle?
A: The delivery time for standard models is 15-25 days; the delivery time for customized models is 30-45 days. Welcome to place an order and inquire
Q: Do you provide overseas after-sales service?
A: Yes, we have cooperative service centers in major regions.
Q: Can I request a customized generator set?
A: Of course! Please state the size, configuration and other requirements before placing an order, and we will make a customized plan according to the requirements.
Q: What export documents do you provide?
A: Complete export packaging (commercial invoice, packing list, bill of lading, product certificate, etc.).
Q: How to place an order?
A: Contact us by email/phone to get a quote, and then confirm with a purchase order.
A: The delivery time for standard models is 15-25 days; the delivery time for customized models is 30-45 days. Welcome to place an order and inquire
Q: Do you provide overseas after-sales service?
A: Yes, we have cooperative service centers in major regions.
Q: Can I request a customized generator set?
A: Of course! Please state the size, configuration and other requirements before placing an order, and we will make a customized plan according to the requirements.
Q: What export documents do you provide?
A: Complete export packaging (commercial invoice, packing list, bill of lading, product certificate, etc.).
Q: How to place an order?
A: Contact us by email/phone to get a quote, and then confirm with a purchase order.
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