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.

Power rating at 50Hz / 60Hz 246 kW / 286 kW
Rated speed at 50Hz / 60Hz 1,500 min-1 / 1,800 min-1
Mechanical efficiency 41.5 %
Fuel Biogas / Natural gas / Special gas

Technical data

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
Length 1,800 mm
Width 990 mm
Height 1,100 mm
Rated speed at 50Hz / 60Hz 1,500 min-1 / 1,800 min-1
Power rating at 50Hz / 60Hz 246 kW / 286 kW
Max. effect. mean pressure at 50Hz / 60Hz 16,5 bar / 16,0 bar
Air ratio λ 1.74
Flywheel housing SAE 1
Mass moment of inertia 3.75 kg*m²
Mechanical efficiency 41.5 %
Fuel Biogas / Natural gas / Special gas
Emission standards TA Luft / TA Luft ½
Areas of application Decentral energy systems