Wärtsilä X62 engine approved and available
The latest of Wärtsilä’s X-generation engines, the X62, has passed design validation and type approval tests and is now fully available.
The company said the two-stroke engine had performed ‘exceptionally well’ during sea trials. Type approval tests were carried out in October last year and sea trials were passed in November using the tanker Nissos Therassia. Wärtsilä said the engine exhibited low overall vibration levels and high performance throughout the trials.
The first X62 engines will enter service powering Kyklades Maritime Corp’s four 115,000dwt LR2 product tankers, under construction by Hyundai Heavy Industries Co at its Gunsan shipyard. The vessels will use the six-cylinder version with a nominal maximum continuous rating of 12,360kW.
Martin Wernli, vice president, 2-stroke, Wärtsilä Ship Power said: "The X62 is an important addition to Wärtsilä's engine portfolio and a valuable answer to the marine sector's need to increase fuel efficiency and minimise emissions. We have already orders for 16 engines, which is a clear indication of the demand for fuel efficient and highly reliable machinery."
Wärtsiläfirst launched its X-Generation range of engines in 2012 and has received 127 orders since then. The engines feature a high stroke-to-bore ratio, resulting in a low engine speed and reduced brake specific fuel consumption. They also offer operational flexibility through a single electronic system governing fuel injection, exhaust valve operation, and cylinder lubrication.
The X62 incorporates Wärtsilä's second generation electronically controlled, common-rail fuel injection system, which the company said facilitates combustion efficiency to give fuel savings across the entire load range of the engine.
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