JENBACHER J620 GS-NL Gas Engine – 3431 kW with New Alternator - 2014

The Jenbacher J620 GS-NL is a powerful gas engine engineered for high-efficiency industrial and combined heat and power (CHP) applications. Delivering a gross electrical output of 3431 kW at 50 Hz and 1500 RPM, this 2014 model has logged approximately 71,000 operating hours but includes a brand-new synchronous 4-pole alternator, offering extended operational value.

Equipped with an inline 6-cylinder engine (6.3 L per cylinder), turbocharged and aftercooled, the unit features a forced lubrication system with dry-sump design and is managed by an advanced electronic control unit (ECU). With a thermal efficiency of approximately 40.5% and low emissions, the J620 GS-NL is ideal for sustainable energy solutions and grid support in commercial or municipal environments.

This gas engine operates efficiently on natural gas with a methane content of ≥85% and a fuel pressure of 4–6 bar. The system is partly dismantled but in restorable condition. It remains a cost-effective option for operators seeking reliable, high-output power generation with CHP potential.

Specifications:

– Model: Jenbacher J620 GS-NL
– Manufacturer: Jenbacher / INNIO
– Year of Manufacture: 2014
– Engine Type: Gas engine, inline 6-cylinder, turbocharged, aftercooled
– Rated Power Output: 3431 kW (4600 hp)
– Gross Electrical Output: 3431 kW at 50 Hz
– Frequency: 50 Hz
– Speed: 1500 RPM
– Voltage: 400V (or configurable as per requirement)
– Operating Hours: 71,000
– Condition: Partly dismantled, brand-new alternator installed
– Alternator Type: Synchronous, 4-pole
– Fuel Type: Natural gas (≥85% methane content)
– Fuel Pressure: 4–6 bar
– Specific Fuel Consumption: 9.4–10.5 kWh/Nm³
– Electrical Efficiency: ~40.5% (depends on load and ambient conditions)
– Exhaust Gas Temperature: ~490–550 °C
– Cooling: Air or water-cooled (configurable)
– Compression Ratio: 14.5:1
– Displacement per Cylinder: 6.3 liters
– Engine Control System: Electronic Control Unit (ECU)
– Lubrication: Forced lubrication with dry-sump system
– Emissions: Low NOx and CO, compliant with strict environmental regulations
– Thermal Power Output: CHP-capable (varies by configuration)
– Dimensions (L x W x H): 4850 mm x 1680 mm x 2280 mm
– Weight: Approx. 15,000 kg (without alternator)
– Quantity Available: 1 unit
– Delivery: Immediate – FOB location available on request

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