G9620 Gas engine

The G9620 has been designed as a 20-cylinder v-engine and thus extends the performance range of Liebherr gas engines into the upper performance range. The model is equipped with built-in air filters, integrated control units with calibrated data sets as well as completely new water cooling design. Series production is expected to begin in 2018.
Power rating at 50Hz / 60Hz 1,070 kW / 1,070 kW
Rated speed at 50Hz / 60Hz 1,500 rpm / 1,800 rpm
Mechanical efficiency 44.0 %
Fuel Biogas / Natural gas / Special gas

Technical data

Full equipment availability Yes
Configuration V-engine
Number of cylinders 20
Displacement 48.7 dm³
Bore 135 mm
Stroke 170 mm
Dry weight 4,500 kg
Dimensions (L/W/H) 2,590 / 1,340 / 1,970 mm
Rated speed at 50Hz / 60Hz 1,500 rpm / 1,800 rpm
Power rating at 50Hz / 60Hz 1,070 kW / 1,070 kW
Max. effect. mean pressure at 50Hz / 60Hz 17,6 bar / 14,6 bar
Air ratio λ 1.60
Flywheel housing SAE 0
Mass moment of inertia 5.00 kg*m²
Mechanical efficiency 44.0 %
Fuel Biogas / Natural gas / Special gas
Areas of application Decentral energy systems