Common Rail System 11.5

Liebherr offers the 11.5 system for large engines with an output range between 1,000kW and 5,000kW. The injectors make a maximum injection quantity of 1,200mm³ available per cycle, ensuring a reliable fuel supply to engines with a power output of up to 300kW per cylinder. Two high pressure pumps are available – the 5-cylinder in-line pump delivers 750 litres of fuel at 2,200 bar. Delivery is up to 900 litres per hour for the 6-cylinder pump.

System pressure 250 - 2,200 bar
Number of injections 3
Rate shape ramp / square
Emission standards EPA Tier 2 / IMO III / TA Luft / EPA Tier 4f
Areas of application Railway / Decentral energy systems / Maritime applications / Mining / Building construction and civil engineering

Technical data

System pressure 250 - 2,200 bar
Engine power range to 1,000 - 5,000 kW
Number of injections 3
Rate shape ramp / square
Hydraulic flow rate 1,600 - 4,000 ml / 30sec
Nozzle diameter 13 mm
Max. injection quantity 1,200 mm³
Max. injection quantity 1,000 milligram
Max. pump speed 4,000 min-1
Max. hydraulic flow (pump) 825 l/h
Displacement 4.0 - 6.0 l / cyl
Engine power / displacement to 240 kW/cyl.
Emission standards EPA Tier 2 / IMO III / TA Luft / EPA Tier 4f
Control leakage / injector <50 ml/min at 2.200 bar
Injector configuration top feed
Engine control unit ECU 2HD / ECU 3
Areas of application Railway / Decentral energy systems / Maritime applications / Mining / Building construction and civil engineering

Downloads