Z12V190B diesel engines are reliability, stable, economical, powerful.

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​Series 4000 long-stroke diesel engines have reached the international level in terms of power, economy, and reliability.

this engine greatly increases the effective pressure, reduces fuel consumption and emissions, and improves the reliability and safety of use.

In accordance with the characteristics of oilfield engineering, the unit has been designed with enhanced design in terms of starting performance, sudden increase and sudden reduction capacity, and continuous working ability.