Chinese order first examples of new engine

The six-cylinder RT-flex 35 engine with simple platform arrangement
Industry Database

Wärtsilä has received the first order for its new Wärtsilä RT-flex35 two-stroke engine, for five units to be built by licensee Yichang Marine Diesel Engine for a series of chemical tankers for Ningbo Donghai Shipping.

"Among low-speed engines with smaller bores, the biggest advantages of Wärtsilä RT-flex35 are its low fuel consumption and its compliance with environmental regulations, both of which fully meet our customer's expectations. Operational flexibility and the improved fuel efficiency offered by the RT-flex35 engine were important considerations when YMD decided to offer this engine type," says Andrew Stump, Sales Director, two-stroke engines, Wärtsilä in China. "Wärtsilä will continue to provide support during the project implementation process to ensure the highest levels of quality and on-time delivery," Stump continues.

The 17,000 dwt chemical tankers will be built by the Ningbo Shipyard Group in the province of Fujian, China. The ship owner is Ningbo Donghai Shipping which will operate the ships in international trade between the Far East, the Middle East and Europe. The contract signed in January with Ningbo Donghai Shipping is the first order for Wärtsilä RT-flex35 engines.

Delivery of the first engine is scheduled for August 2011. The scope of the contract includes five 6-cylinder Wärtsilä RT-flex35 common rail diesel engines with a power output of 5220 kW (7099 bhp).

Wärtsilä started product development project for Wärtsilä RT-flex35 engines three years ago as a cooperation project with Mitsubishi Heavy Industries Ltd in Japan and YMD in China. The RT-flex35 is designed to provide optimal power and speed combinations for a number of ship types, including handy size bulk carriers, product tankers, general cargo ships, reefer ships, feeder container ships, and small LPG carriers. The engine is available in five to eight cylinder configurations and covers a power range of 3475kW to 6960 kW at 142 to167 rpm.

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