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February 11, 2003

More RT-flex orders
Three Sulzer 9RT-flex60C low-speed diesel engines have been ordered by Germany's Volkswerft Stralsund GmbH. They will power three 2,100 TEU containerships the yard is building for 2004 delivery to A.P. Moller's Safmarine unit.

These nine-cylinder engines will each have a maximum continuous power output of 21,240 kW at 114 rev/min. They will be built under license from Wrtsil Corporation by HSD Engine Co Ltd in Korea.

Developed by Wartsila Corporation, Sulzer RT-flex engines are the first low-speed engines to have an electronically-controlled common-rail systems for fuel injection and valve actuation, resulting in lower exhaust emissions, lower fuel consumption at part load, and better maneuvering ability.

The orders for the Safmarine ships bring the total number of these engines in service and on order to 13, amounting to an aggregate power of 209,590 kW. The first series-built RT-flex production engine in service is the Sulzer 6RT-flex58T-B in the bulk carrier "Gypsum Centennial" which began operation in September 2001. In addition to the three Sulzer 9RT-flex60C engines mentioned above, there are six Sulzer 7RT-flex60C engines, another Sulzer 6RT-flex58T-B engine and two Sulzer 5RT-flex58T-B engines on order.

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