Jenbacher Type 4 Gas Engines
High-efficiency, ‘Ready for H₂’* gas engines offering 800 – 1,560 kW of advanced performance and excellent operational flexibility.
Power, Performance & Reliability
Building on the proven design principles of the Jenbacher Type 3 and Type 6 engines, INNIO Group’s Jenbacher Type 4 series delivers excellent efficiency and reliability in the 800 to 1,560 kW power range. Featuring enhanced controls, monitoring, and serviceability, the Type 4 provides excellent performance for combined heat and power (CHP) applications and flexible energy solutions. Its high power density and advanced design make offer dependable distributed generation.
Exceptional Efficiency
With an electrical efficiency of up to 44% and total efficiencies more than 90% in CHP applications, the Jenbacher Type 4 sets a high standard for fuel utilisation and performance.
Reliable and Proven Design
Since 2002, Jenbacher Type 4 engines have demonstrated consistent performance and robust operation across varied energy projects worldwide.
Operational Flexibility
Available for both 50 Hz and 60 Hz markets, the Type 4 supports multiple fuel types: including natural gas, biogas, and special gases, making it adaptable to a wide range of industrial and renewable energy applications.
Technical Highlights
Engineered for long-term reliability and simplified maintenance, the Type 4 incorporates key innovations that deliver superior performance:
• Electronically controlled gas dosing valve for precise air-fuel control.
• Four-valve cylinder head with enhanced swirl and combustion chamber design.
• Crack connecting rod technology for improved dimensional stability and easy servicing.
• Flexible heat recovery configuration for high thermal efficiency even with fluctuating return temperatures.
• ‘Ready for H₂’*capability – convertible to operate on up to 100% hydrogen.
Model Specifications
| Model | Electrical Output (kWe) | Cylinders / Arrangement | Combustion | Speed (rpm) | Gen-set Dimensions (L x W x H mm) |
|---|---|---|---|---|---|
| J412 GS | 889 | 12 / V 70° | Lean burn | 1500 (50Hz) / 1200 (60Hz) | 5,400 x 1,800 x 2,200 |
| J416 GS | 1,200 | 16 / V 70° | Lean burn | 1500 (50Hz) / 1200 (60Hz) | 6,200 x 1,800 x 2,200 |
| J420 GS | 1,500 | 20 / V 70° | Lean burn | 1500 (50Hz) / 1200 (60Hz) | 6,800 x 2,300 x 2,200 |
Discover More
Renewable Gases and ‘Ready for H₂’*
Scope of Supply
Applications
Reneable Gases and ‘Ready for H2’*
Designed for efficient operation with renewable and low-carbon gases, the Type 4 supports sustainable energy generation. All current Type 4 engines are ‘Ready for H₂’, meaning they can be converted to run on up to 100% hydrogen—helping operators transition toward a net-zero energy future.
Scope of Supply
The Jenbacher Type 4 engine is available as a standalone generator set, a complete cogeneration (CHP) system, or a containerised unit for flexible deployment. Each configuration is enhanced for efficiency, accessibility, and ease of integration into industrial and energy infrastructure applications.
Applications
The Type 4 is well suited for a broad range of applications including combined heat and power (CHP) plants, industrial facilities, data centres, and municipal energy projects. Its flexibility allows for continuous, peaking, or grid-support operations, enhancing value across diverse operating environments.
Find the latest information and product fact sheets on INNIO’s Jenbacher Type-4 engine here.
Explore the Full Jenbacher Range
Jenbacher Type 2
249 – 360 kW
Jenbacher Type 3
393 – 1155 kW
Jenbacher Type 4
749 – 1562 kW
Jenbacher Type 6
1818 – 4507 kW
Jenbacher Type 9
10606 kW
Clarke Energy Lifecycle Service Support
Commissioning
Engines expertly commissioned by localised Clarke Energy service engineers.
Maintenance Agreements
Long term agreements to enhance operational reliability and customer peace-of-mind confidence.
Technical Training
Empower your workforce with theoretical and practical training in multiple languages.
Remote Monitoring & Diagnostics
Increase asset uptime and reduce operational costs with advanced engine remote monitoring.
Field Service
Rapid response and local expertise through comprehensive network of engineers.
Spare Parts
Original equipment manufacturer (OEM) approved spare parts for optimal engine performance levels.
Repairs & Overhauls
Scheduled and unscheduled maintenance for highest levels of engine availability.
Conversions, Modifications & Upgrades
Extend engine life, boost output, improve efficiency and reduce emissions through upgrades.
Latest Jenbacher Type 4 News
Keystone RNG Project Complete at BioTown Biogas in USA
Clarke Energy is pleased to announce the official commissioning of our most recent Renewable Natural Gas (RNG) project completed in the US.
AGR 217,000m² Glasshouse and Energy Centre with 33MWth Heat Pump System and 9MW Combined Heat and Power Plant
AGR has selected Clarke Energy to supply and install an innovative power generation project at a renewable heat glasshouse, one of the largest in the UK.
Clarke Energy USA and BioTown Biogas Work on First Project to Diversify Energy Portfolios into Renewable Natural Gas (RNG)
The project is a key strategic renewable energy win for Clarke Energy’s USA business after expanding our product offering with RNG solutions
Frequently Asked Questions about Jenbacher Type 4 Engines
Technical and Engineering
What is the typical electrical efficiency of the Jenbacher Type 4?
Electrical efficiency reaches up to 44%, with total CHP efficiency more than 90%, delivering strong performance in continuous or flexible operations.
What design features improve reliability in the Jenbacher Type 4?
An electronically controlled gas-dosing valve, four-valve cylinder head, and precision-machined connecting rod enhance stability and ease of maintenance.
Financial and Commercial
How does the Jenbacher Type 4 reduce lifecycle costs?
Efficient fuel use and extended service intervals support the reduction of operaring expenses and improve total cost of ownership.
Is the Jenbacher Type 4 suitable for industrial users with variable demand?
The engine’s flexible configuration supports fluctuating loads, making it a choice for manufacturing, data-centre, and grid-support applications.
Environmental and Sustainability
What fuels can the Jenbacher Type 4 use for sustainable operation?
It can operate on natural gas, biogas, landfill gas, and other special gases such as coal-mine or pyrolysis gas, supporting low-carbon generation.
How does the Jenbacher Type 4 contribute to carbon-reduction goals?
By combining heat and power generation, the engine increases fuel efficiency and reduces CO₂ emissions relative to separate production systems.
Operational and Implementation
What support services are offered for Jenbacher Type 4 systems?
Clarke Energy’s regional teams provide installation, maintenance, and real-time performance monitoring to ensure consistent uptime.
How can remote diagnostics improve operational reliability?
The myPlant™ platform enables early detection of anomalies and data-driven maintenance scheduling for improved asset longevity.
Interested in installing a Jenbacher Gas Engine?
Speak with our experts to discuss your project requirements, explore system configurations, or arrange a site assessment.
