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20kW Air-cooled Diesel Generator With F3L912 Air Cooled Engine

20kW Air-cooled Diesel Generator With F3L912 Air Cooled Engine

Brand Name:Tecgen Power
Certification:CE / SASO / SONCAP / COC / PVOC
Model Number:TG25B
Minimum Order Quantity:1 unit
Delivery Time:15 Days
Payment Terms:T/T, L/C
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Location: Fuzhou Fujian China
Address: Unit 15#-608 MIXC, Gulou District, Fuzhou, Fujian, China
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Product Details

20kW Air-cooled diesel generator air-cooled generator with F3L912 aircooled engine

Standard Features:

  • Power Output: 20kW, providing ample electricity for your requirements.
  • Air-cooled Design: The generator utilizes air cooling technology, eliminating the need for water-based cooling systems.
  • Compact and Portable: The generator's compact size and lightweight design make it easy to transport and install.
  • Easy Operation: Equipped with user-friendly controls for effortless operation.
  • Durable Construction: Built with high-quality materials to withstand harsh environments.
  • Low Maintenance: Designed for easy maintenance, reducing downtime and costs.

Key Features:

  • Reliable Power Source: The 20kW Air-cooled Diesel Generator delivers a stable and consistent power supply, ensuring uninterrupted operations.
  • Air-cooled Technology: The air-cooled design enhances the generator's efficiency and eliminates the need for complex and costly cooling systems.
  • Versatile Applications: Ideal for use in construction sites, residential areas, outdoor events, and more.
  • Efficient Fuel Consumption: The generator is designed to optimize fuel consumption, providing cost-effective power generation.
  • Silent Operation: The generator operates with minimal noise levels, suitable for noise-sensitive environments.

20kW Air-cooled Diesel Generator Specifications:

20kW Air-cooled Diesel Generator Technical Datasheets
Genset modelTG25B
Genset TypeOpen Frame
Rate Voltage440V//415V/400V/380V/230V/220V/110V
P.F(COS)P.F. 0.8
Prime Output Current34.9A
Prime Power18kW / 23kVA
Standby Power20kW / 25kVA
EngineBrandBeinei Deutz
AlternatorBrandCopy Stamford
Genset Weight600kgs
Genset DimensionsL1200 * W 760 * 1000
Beinei Air-cooled Diesel Engine Data
BrandBeijing Diesel Engine Co., Ltd
Engine ModelF3L912
Number of Cylinders3 Cylinder in Line
AspirationNatural Intake
Compression ratio17:1
Prime Power24kW
Standby Power26kW
Speed GovernorMECH or Electrical
Cooling SystemAir cooling cycle
Starting systemDC Motor
Fuel Consumption at 100% Load232g/kwh@1500rpm
Stamford Alternator Data
Rate Output23kVA
No. of Phase3 Phase, 4 Wire
Exciter typeSingle bearing, Brushless, Self-excited with AVR
Power factor0.8
Insulation GradeH
Protection GradeIP23
Working ConditionBelow 1000m
Voltage adjust range≥5%
Voltage regulation NL-FL≤±1%
DEIF Controller System
FunctionAuto Mains (Utility) Failure
Static with auto. battery charger
Emergency stop push button
ATS & RS485 Connection
CAN Functions
Diesel Generator Output ranges & Brand Options
Prime Power (kW)Diesel EngineAC AlternatorControllerType
17kW ~ 1260kWCumminsLeroy SomerDEIFOpen/Silent
10kW ~ 300kWWeifang RicardoTecgenMebay
16kW ~ 600kWDeutzMarathonDEIF
7kW ~ 64kWYangdong


7kW ~ 76kWQuanchai
18kW ~ 3000kWWeichai
8kW ~ 800kWSDEC
12kW ~ 320kWFAWDE
18kW ~ 1200kWYuchai
11kW ~ 104kWBeinei Aircooled
7kW ~ 1800kWPerkinsStamfordDEEPSEA
6.8kW ~ 2000kWCaterpillarCaterpillarCaterpillar
6.8kW ~ 2000kWFG WilsonFG WilsonFG Wilson
17kW ~ 30kWIsuzuMecc AlteComAp
210kW ~ 818kWVMANTecgenTecegn
6kW ~ 2000kWChinese EnginesSmartgen


The 20kW Air-cooled Diesel Generator is an excellent choice for a wide range of applications. It can be used as a primary or backup power source in construction sites, residential buildings, offices, and outdoor events. This generator ensures a stable power supply, allowing you to continue your activities without interruption or inconvenience.


  • Dependable Performance: The generator is powered by a reliable air-cooled diesel engine, ensuring consistent and efficient power generation.
  • Easy Installation: Its compact size and portable design make installation quick and hassle-free.
  • Cost-effective Solution: The generator's fuel-efficient operation helps minimize fuel consumption and reduce operating costs.
  • Low Maintenance: With its user-friendly design, the generator requires minimal maintenance, saving you time and effort.


We offer additional options to customize the 20kW Air-cooled Diesel Generator to suit your specific requirements. These options include automatic transfer switches (ATS), remote monitoring systems, and extended warranty packages. Contact our sales team for more information.

FAQ (Frequently Asked Questions):

  1. Is the generator suitable for outdoor use?
    Yes, the generator is designed to withstand outdoor conditions and can be safely used in various weather conditions.
  2. How noisy is the generator during operation?
    The air-cooled design ensures quiet operation, making it suitable for noise-sensitive environments.
  3. What is the fuel consumption of the generator?
    The generator has been optimized for fuel efficiency, providing cost-effective power generation.
  4. Is installation complicated?
    No, the generator's compact and portable design allows for easy installation.

Choose our 20kW Air-cooled Diesel Generator to meet your power requirements reliably and efficiently. With its outstanding features, versatility, and cost-effectiveness, this generator is an ideal choice for both residential and commercial applications. Experience uninterrupted power supply with our air-cooled generator.

China 20kW Air-cooled Diesel Generator With F3L912 Air Cooled Engine supplier

20kW Air-cooled Diesel Generator With F3L912 Air Cooled Engine

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