Optimal combustion conditions and air flow to achieve more sufficient combustion,lower emission and best power performance with low -speed and high-speed with state-of-art technologies such as Cummins proprietary PT fuel system .variable step timing fuel injector system,four valve construction,direct injection combustion chamber,exact high fuel injection pressure ,eddy flow and harmonic air port .completely in compliance with emission requirements in different phases specified in Chinese Standard GB20891-2007 Limits and Measurement Methods for Exhust Pollutants from Diesel Engines of Non-road Mobile Machinery .

The best power performance and the  excellent fuel economy with the optimized designs for powertrain,air distribution system ,combustion system,cooling system and lubrication system .

Engine with robust low speed torque and perfect instantaneous response due to high performance turbocharger matched with cummins supercharging technology system .

More steady and quiet engine with design of midstop mounting cylinder component ,enhanced crankshaft assembly and powertrain,and fully balanced and integral crankshaft .

Engine with better reliability ,durability and lower oil consumption due to improved piston with three rings and piston ,cylinder with up-down cooling jackets.special designed seal of the valve guide,extra high strength integral cylinder block ,built-in engine oil pump and oil water cooler,high-flow built-in grease way and cooling water way design .