G946 Gas engine

Name: G946 Gas engine
Brand: Liebherr

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 min¯¹ / 1,800 min¯¹
Mechanical efficiency	41.5 %
Fuel	Biogas / Natural gas

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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
Dimensions (L/W/H)	1,800 / 990 / 1,100 mm
Rated speed at 50Hz / 60Hz	1,500 min¯¹ / 1,800 min¯¹
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

Bulle production site

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