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Yuchai YC4DN Gas Engine | 4.21L 120-140Hp Euro V Engine for 6.6-7.7m Buses

YC4DN
Gas Engine
120~140Hp Power Coverage
Adapted Models：6.6-7.7m road buses and public buses
benchmarking engine for light vehicles
    Contact us
    product details

    Product Feature

    1.Model description:
    Jointly designed and developed by Yuchai and FEV of Germany Featuring low emission, low gas consumption, low noise, high reliability and low cost

    2.Model characteristics:
    ● Application of the technology of piston cooling by oil injection
    ● Independent oil and gas return, and cyclone oil and gas separation technology
    ● Pressure-balanced oil and gas chamber technology for crankcase
    ● Low-inertia turbocharger
    ● Low cost, low gas consumption and high reliability

    Product Advantages

    1

    Ideal for Light-Duty Buses

    01
    4.21L displacement with 120-140Hp power range, perfectly adapted for 6.6-7.7m road and public buses, the benchmark for light vehicle power.
    2

    Euro V Compliance & High Efficiency

    01
    Equipped with ESI gas system and catalytic converter, meets strict Euro V emission standards with efficient and clean combustion performance.
    3

    Durable & Low Maintenance

    01
    380kg lightweight design, 20,000km oil change cycle and 500,000km B10 service life, reducing operating and maintenance costs significantly.
    01

    Application Scenarios3

    Application Parameters

    Product Series

    Model Series

    Displacement (L)

    Bore × Stroke

    Number of Valves per Cylinder

    Emissions

    Power (kw/rpm)

    Torque (N.m/rpm)

    Gas System

    Exhaust Aftertreatment

    Dry Weight (kg)

    Oil Change Cycle

    B10 Service Life (10,000 km)

    YC4DN-50

    YC4D120N-50

    4.21

    108×115

    4

    Euro V

    88/2800

    380/1400~1800

    ESI

    Catalytic converter

    380

    20,000

    50

    YC4D140N-50

    103/2800

    420/1400~1800

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