RT Flex Vs ME intelligent engine

RT Flex Sulzer

The combination of common-rail concepts and fully-integrated electronic control applied in Sulzer RT-flex engines clearly has excellent potential for future development. It gives a large degree of flexibility in engine setting and operation, together with reliability and safety, which are required to meet the challenges in future marine engine applications in terms of emissions control, optimized fuel consumption, insensitivity of fuel quality, ease of use, operational flexibility.

Common rail is now an industrial standard for diesel engines. It has been proven to be a tremendous step forward for all sizes of diesel engines from automotive engines up to the largest low-speed two-stroke engines. In this environment, Sulzer RT-flex engines have become well accepted by shipowners. Shipowners’ confidence is being encouraged by the good operating experience with the growing number of RT-flex engines in service. 

on this article, we will compare the features of the two main manufacturers of the marine electronics engine system, their placement and functions. Read more about RT Flex Vs ME intelligent engine:


Although common-rail fuel injection is certainly not a new idea, it has only become truly practical in recent years through the use of fully-integrated electronic control based on high-performance computers which allow the best use to be made of the flexibility possible with common-rail injection.

The traditional camshaft has a considerable limitation of fixed timing given mechanically by the cams. Although Sulzer low-speed engines have long had the benefits of double valve-controlled fuel injection pumps with variable injection timing (VIT), and a degree of variable exhaust valve timing being achieved hydraulically in the VEC system, the variation in timing so obtained has been very limited.

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