Description Overview Used Jenbacher J620 GS industrial-grade natural gas engine. Designed for continuous-duty power generation and combined heat and power (CHP) systems. Year of manufacture: 2008. 20-cylinder V-type engine configuration. Suitable for captive and individual power applications. Specifications Electrical power output: 2975 kW (3,989.5 hp). Frequency: 60 Hz. Engine speed: 1500 rpm. Voltage: 11000 V. Serial number: 5642321. Condition Condition: Used.