G946 Gas engine

The Liebherr gas engine G946 with 6 cylinders in inline-arrangement and a displacement of 12 liters has a maximum power of 246kW at 50Hz and of 286kW at 60Hz, respectively. With a mechanical efficiency rating of over 41%, gas engines from Liebherr offer the best efficiency values of their perfomance category. A "plug & play" solution guarantees an easy integration into every application.
Gallery loading.
Power rating at 50Hz / 60Hz 246 kW / 246 kW
Rated speed at 50Hz / 60Hz 1,500 rpm / 1,800 rpm
Mechanical efficiency 41.5 %
Fuel Biogas / Natural gas

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Full equipment availability Yes
Configuration In-line engine
Number of cylinders 6
Displacement 12.0 dm³
Bore 130 mm
Stroke 150 mm
Dry weight 1,250 kg
Dimensions (L/W/H) 1,800 / 990 / 1,100 mm
Rated speed at 50Hz / 60Hz 1,500 rpm / 1,800 rpm
Power rating at 50Hz / 60Hz 246 kW / 246 kW
Max. effect. mean pressure at 50Hz / 60Hz 16,5 bar / 13,8 bar
Air ratio λ 1.60
Flywheel housing SAE 0
Mass moment of inertia 3.75 kg*m²
Mechanical efficiency 41.5 %
Fuel Biogas / Natural gas
Emission standards TA Luft / TA Luft ½
Areas of application Decentral energy systems

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Liebherr develops and produces diesel and gas engines, injection systems, hydraulic components and splitter boxes in Bulle (Switzerland). Liebherr Machines Bulle SA

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