The Liebherr diesel engine D9512 with 12 cylinders in-V arrangement and a displacement of 24.2 liters can achieve a power output of 850 kW at 2000 revolutions. The robust design of the D9512 is built to withstand the harshest conditions of the construction and agriculture industries. This twelve-cylinder engine comes with an integrated centrifugal water pump and closed crankcase ventilation system, ultrafine fiber oil filter, fuel fine filter on engine as well as twin scroll turbocharger that considerably improve fuel consumption. The engine fulfils the demanding EU Stage V exhaust emission standards and can be fitted with Tier 4 final solutions. Our engine condition monitoring solution and LiDIA diagnostic tool, together with a long life service further extend reliability and minimize engine down time.