Name: LP11.5 Common rail high pressure pump
Brand: Liebherr

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The LP11.5 Common rail high pressure pump is specially designed for large diesel engines, which are used primarily in mining, power generation, maritime and rail applications. Here, the oil-lubricated high pressure pump impresses with its long service life and exceptional reliability even under the harshest environmental conditions. The small difference between mean and peak torque also has positive effects on the wheel design and noise production.

<h2>Production site</h2>

Learn more about our production site for injectors, high pressure pumps, and injection solutions for diesel and alternative fuels in Deggendorf, Germany.

<h2>Common rail solutions for combustion engines</h2>

Common rail solutions for combustion engines

Decades of experience in the development and manufacture of diesel engines result in self-manufactured components and common rail solutions used in heavy-duty trucks, construction, agriculture, mining, rail, genset and marine applications. Learn more.

<h2>reThink & reFuel</h2>

reThink & reFuel - Join us on our journey to alternative injection concepts.

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System pressure	100 - 2,200 bar
Flow rate	810 l/h
Rated speed	4,500 rpm
Max. speed	5,000 rpm
Drive concept	Eccentric roller
Number of plungers	5
Lubrication	oil
Weight	55 kg
Service life off-highway	15,000 h
Oil in fuel	<0.02 g/kWh
PCV	electrically controlled with mechanical overpressure safety
VCV	volume control valve currentless open
Feed pump	Mechanical (G-rotor)
Mean torque at max. system pressure and max. flow rate	135 Nm
Ambient temperature	-30 to 125 °C
Vibration specification	ISO 10816-6 / VDI 3838
Filtration specification	min. 99.2% efficiency @ 4 µm (ISO 19438) - along service life
Fuel specification	Purity class 12/9/6 (ISO 4406)