On Highway Truck Diesel Engine Series



    • Advanced combustion design
    • Engines equipped with High Pressure Common Rail System (HPCRS).
    • Specially designed Turbo Charger
    • Advanced electronic control.
    • Integrated exhaust after treatment devices consisting Diesel Oxidation Catalysts (DOC), Diesel Particulate Filters (DPF) and Selective Catalytic Reduction (SCR) catalysts
    • Engines complaint with latest emission norms.
    • Cooled Engine Exhaust Gas Re-circulation.



Engine family model displacement(L) cylinder-bore×stroke
Valve per cylinder Rated power/speed
Max torque/speed
Technical route
WP4.1N WP4.1NQ170E61 4.088 4-105×118 4 125/2600 600/1300-1900 CR+EGR+DOC+DPF+SCR
WP4.1NQ190E61 140/2600 680/1300-1900
WP4.1NQ180E62 132/2300 650/1300-1900 CR+DOC+DPF+Hi-SCR
WP4.1NQ200E62 147/2300 750/1300-1700

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