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Liebherr Common Rail solutions for large engines

Liebherr Common Rail solutions for large engines

Liebherr Common Rail solutions for large engines

Product catalog summary
Overview
Liebherr provides robust Common Rail Systems for large engines, supporting power ranges up to five megawatts. These systems feature injectors with integrated high-pressure accumulators for precise fuel injection and minimal pressure drop. The high-pressure pumps are compact yet capable of delivering up to 970 liters per hour.
Technical Specifications
  • System pressure: 400 – 2,200 bar
  • Engine power/displacement: 290 kW/cylinder
  • Number of injections: 4
  • Hydraulic flow rate: 1,400 – 4,000 ml/30 sec
  • Nozzle diameter: 13 mm
  • Max hydraulic flow (pump): 970 l/h
  • Control leakage/injector: < 50 ml/min
Design and Flexibility
The modular design allows for easy adaptation to specific engine designs, with flexible connections and individual interfaces. This flexibility is enhanced by in-house production of precision parts, allowing for customization to meet specific customer requirements.
Performance and Validation
All components are designed for dynamic loads in various vehicles, with in-house validation from development to field application. The systems support the use of alternative and dirty fuels.
Engineering Expertise
Liebherr's experts define specific functionalities and requirements for injection, diagnostics, and correction processes, leveraging decades of experience in diesel engine development and production.
Component Details
  • Injector LI3: System pressure 300 – 2,500 bar, Nozzle diameter 13 mm, Hydraulic flow rate 1,600 – 4,000 ml/30 sec
  • High pressure pump LP11.6: System Pressure 100 – 2,200 bar, Max hydraulic flow 970 l/h, Rated pump speed 4,500 rpm
  • High pressure pump LP11.5: System Pressure 100 – 2,200 bar, Max hydraulic flow 810 l/h, Rated pump speed 4,500 rpm
  • Engine Control Unit ECU2-HD: Supports Euro V/VI, EPA Tier 4f, EU Stage IV/V, IMO III standards, and up to 12 cylinders
Company Information
Liebherr Components offers a wide range of solutions in mechanical, hydraulic, electric, and electronic drive systems and control technology. With ten production sites globally, they ensure high-quality standards and provide comprehensive customer service solutions.
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Catalog excerpts

Liebherr Common Rail solutions for large engines-1

Liebherr Common Rail solutions for large engines

 Open the catalog to page 1
Liebherr Common Rail solutions for large engines-2

Liebherr offers robust Common Rail Systems for large engines in the power range up to five megawatts. Injectors with integrated high pressure accumulators ensure a very low pressure drop and precise metering of the injection quantity. With regard to their compact design, the high pressure pumps deliver above-average fuel at up to 970 l per hour. Individual drive flanges and high pressure interfaces mean the injector and pump can be flexibly adapted to specific installation situations. A double-walled housing on the injectors ensure maximum safety and an oil-lubricated drive on the pumps allow...

 Open the catalog to page 2
Liebherr Common Rail solutions for large engines-3

Modular design Thanks to intelligent design and flexible connections, the modular individual components can be easily combined and adapted to specific engine designs. Different design variants, variable drive flanges and individual interfaces make Liebherr’s Common Rail Systems so flexible. Precision parts produced in-house Liebherr manufactures a major part of the functional microprecision parts in-house. The high degree of vertical integration and the corresponding technical expertise allow us to flexibly respond to customer-specific special requirements for fuel injection. Stable performance...

 Open the catalog to page 3
Liebherr Common Rail solutions for large engines-4

Liebherr Components Slewing bearings Diesel engines Fuel injection systems Human-machine interfaces Control electronics and and gateways sensor technology Electric machines Power electronics From A to Z – the components division of the Liebherr Group offers a broad range of solutions in the area of mechanical, hydraulic, electric and electronic drive system and control technology. The efficient components and systems are produced at a total of ten production sites around the world to the highest standards of quality. Central contact persons for all product lines are available to our customers...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.