The dual-fuel engines of the LNG tankers Spirit of Hela and Gigira Laitebo were inspected as part of routine maintenance after running for around 18,000 hours using Mobilgard™ M430 a 30 base number (BN) lubricant design for medium speed engines running on heavy fuel oil (HFO).
The vessels predominantly ran on LNG, which risked the lubricant’s additives accumulating as deposits on the piston crown and in the piston ring grooves, as there was no sulphur to neutralise. However, the inspection revealed no issues, demonstrating Mobilgard M430’s capacity to provide excellent, trouble-free, long-term protection for dual-fuel engines running predominantly on LNG.
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This case study is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior lubricant used.
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