JENBACHER J620 GS Gas Engine, 4.4 MW V12, CHP Engine - 2008

The JENBACHER J620 GS, manufactured by INNIO (formerly GE Jenbacher) in 2008, is a robust V12 gas-fired reciprocating engine designed for industrial power generation, CHP (Combined Heat and Power) systems, and other distributed generation applications. Operating at 1,500 rpm for 50 Hz grids (or 1,800 rpm for 60 Hz systems), the engine is compatible with natural gas, biogas, and other gaseous fuels, providing approximately 4.4 MW of electrical power.

With a 12:1 compression ratio, spark ignition, and a single-stage turbocharger, the engine ensures optimal combustion and thermal performance. Its water-cooled design enhances operational reliability in ambient temperatures ranging from -5°C to +40°C, and its configuration supports high thermal efficiency, particularly in CHP installations.

Specifications:

– Model: JENBACHER J620 GS
– Manufacturer: INNIO (GE Jenbacher)
– Year of Manufacture: 2008
– Engine Type: Gas-fired, reciprocating engine
– Application: Power generation, CHP, industrial operations
– Fuel Type: Natural gas, biogas, and other gaseous fuels
– Cooling System: Water-cooled system
– Ignition System: Spark ignition
– Compression Ratio: 12:1
– Rated Speed: 1,500 rpm (50 Hz) / 1,800 rpm (60 Hz)
– Power Output: Approx. 4.4 MW (electrical at ISO conditions)
– Electrical Efficiency: Up to 41% (site-dependent)
– Thermal Efficiency (CHP): Can exceed 85% combined efficiency
– Cylinder Configuration: V12
– Cylinder Bore: 160 mm
– Stroke Length: 190 mm
– Displacement: 45.6 liters
– Turbocharging: Single-stage turbocharger
– Lubrication: Wet-sump lubrication system
– Fuel Consumption: 0.35 – 0.40 m³/kWh (natural gas)
– Operating Temperature Range: -5°C to +40°C ambient
– Start-up Time: 10 – 15 minutes (cold start)
– Maintenance: Extended service intervals for reduced downtime

Performance Notes:
– Designed for high reliability and continuous base-load operation
– Suited for integration in grid-connected or islanded systems
– High efficiency makes it ideal for CHP and district energy systems
– Fuel-flexible with stable performance across varying gas compositions
– Available as refurbished or used units, depending on availability

Availability:
– Condition: Used or refurbished (based on availability)
– Location: On request
– Delivery: Available upon agreement
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