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Dongfeng Cummins ISL8.9
Dongfeng Cummins ISL8.9


Cummins ISL 8.9L full-authority electronic control engines, ranging 290-375 Hp (213-275 Kw). Compared to engines with same displacement, these engines are lighter and only weighs 714 kg, with more compact structure and higher power.Featuring ultra high output per liter and low speed torque, ISL‘s power can be as good as heavy-duty engines with larger displacement.With stable and reliable performance, durability and supreme fuel economy, ISL can greatly increase carrying capacity and operation efficiency of vehicles, thus becoming an ideal power choice of 11-14 meter-long highway bus, tour bus, public transit, school bus applications.

Leading manufacturing technology Integrated design of cylinder block and oil circuit, forged crankshaft with high tension steel, highly durable pistons and liner with special surface treatment process all ensure the engine's reliability and durability.

Advanced electronic intelligence platform Electronic control module with ultra large capacity share information among high speed datalinks, to ensure that the engine maintains the best operating status, effective fuel savings and low emissions under various loads.

Effective fuel saving With higher injection pressure up to 1600 bar, High Pressure Common Rail Fuel System features more precise control of injection timing and amount of fuel, more complete combustion, broader economical fuel consumption range, tremendously enhanced fuel economy, thus further improving low-speed performance, and resulting in better noise reduction and cold start performance.

Excellent power output Fast startup, good acceleration and gradeability, superior torque output at low speed.

Economical usage Highly integrated engine subsystems can realize fuel savings in many ways. Higher output per liter causes stable and reliable operation under complex operating conditions, resulting in excellent power, ultra long service life, and long maintenance intervals.

Leading emission level Worldwide suitability Products meeting NS IV, NS V and EEV emission requirements are developed based on an identical platform, which is lasting and reliable, of strong heritage. Aftertreatment system can be upgraded to meet Euro V/EEV standard by simply adjusting urea spray amount, without complicated structural adjustment.


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