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Yuchai Joins the Slow Speed Club

Posted on November 17, 2011

China’s Yuchai Power delivered what it called its first slow speed diesel engine at a signing ceremony on Nov. 11th in Zhuhai. The engine, Wartsila's RT-flex35, which has been developed with technology licensed from the Finnish company, covers a power range of 3475 to 6960 kW at 142 to 167 r/min. The engine is used for propulsion in small and medium-sized commercial vessels.

Yuchai reported that it produced the engine at a record-breaking lead time of eight months and that the Zhuhai factory that builds them was itself constructed in just 12 months. So far, orders for 35 units have been placed by Chinese shipbuilders, Yuchai said.

The unveiling has been heralded as a step closer to greater Chinese autonomy within slow- and medium-speed diesel engine manufacturing. Currently, China relies on foreign components for up to 70% of its high power diesel engines by value. Parts such as the crankcase, turbochargers and fuel systems have traditionally been sourced from MAN Diesel & Turbo, Mitsubishi or Wartsila.

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