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Electric power 1500 kW;
Thermal power 1542 kW
PROVEN EFFICIENCY
Offering superior efficiency with an innovative engine concept, Type 4 engines save on fuel without sacrificing flexibility or reliability.
THE FLEXIBILITY TO DO MORE
The Type 4 is available in 50 and 60 Hz and features fuel and solution flexibility—making it an excellent choice for more than 10 different applications.
RELIABILITY YOU CAN COUNT ON
With their reliability, dependability and high degree of availability, it’s easy to see why over 2,000 Type 4 engines have been delivered.

JENBACHER J 420 GS

The total working volume of 61,1 litres

Generating unit (mm) 7 100х1 900х2 200

Cogeneration system (mm) 7 100х1 900х2 200

Based on the proven design concepts of Jenbacher Type 3 and Type 6 engines, Type 4 gas engines are characterized by high power density and outstanding efficiency. Enhanced control and monitoring provide easy maintenance capabilities, as well as excellent reliability and availability.

  • High-power turbocharger allows optimal operation at higher air intake temperature and altitude.
  • Four-valve cylinder head features enhanced swirl and channel geometry using advanced calculation and simulation methods, resulting in optimal cooling and combustion conditions.
  • The Type 4’s crack connecting rod reduces bearing wear and is easy to maintain.

Applicable gas types include:

  • natural gas
  • biogas
  • landfill gas
  • sewage gas
  • coal mine methane gas
  • oil gas (associated petroleum, propane-butane etc.)
  • metallurgical gases (coke oven, blast furnace, ferroalloy, converter, etc.)
  • special gases (wood, pyrolysis, etc.)
TECHNICAL CHARACTERISTICS
  • Electric power1500 kW
  • Thermal power1542 kW
  • Electric efficiency43,0 %
  • Thermal efficiency44,2 %
  • Overall efficiency87,2 %
  • Gas consumption347 - 361 m3/h