Common rail injection Combustion Injection technology Engine 651 uses the new Common Rail technology of the second generation from Delphi. The maximum injection pressure has been increased by 400 bar to 2,000 bar. A new feature is the piezo injector concept with direct nozzle needle control. Direct actuation allows the injection volume to be changed quickly and with the utmost precision. The most important new features of the injection system include: High-pressure pump with two pump elements (max.
injection pressure 2,000 bar) Electronic engine control with more advanced actuation function for injection timing points Leak oil-free injection system with piezo injectors The piezo injectors provide the following improve ments: The increase in engine output to 150 kW / 204 hp and the increase in engine torque to 500 Nm was only made possible by the increased pressure potential. At the same time, the level of raw emissions produced by the engine has been significantly improved.
Greater flexibility for actuation of injection timing points Lower fuel consumption Higher engine output Minimized combustion noise Reduced emissions Smoother engine running 20 Introduction of New Generation of 4-Cylinder Inline Engines, OM 651 q – This printout will not be recorded by the update service. Status: 09 / 2008 –