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First Cat 3500 Series Marine Gas Engines Shipped

Posted on April 1, 2014

Caterpillar Marine has announced the first shipment of Cat 3500 series marine gas engines from its Lafayette, Ind. facility. Five Cat G3516 marine engines were selected to power the Becker Marine Systems subsidiary, Hybrid Port Energy, LNG-hybrid barge, the world’s first LNG-powered barge in the Port of Hamburg. The LNG-hybrid barge will provide shore power to cold ironing cruise ships and serve as a backup power provider for the local Hamburg electric power and heat grid.  The gas fuelled units will be capable of providing up to 7.75 MW of electric power.

The G3516 is a spark-ignited, gas engine specially designed to operate in commercial vessel applications and is compliant with Marine Classification Societies requirements, SOLAS and is certified by Bureau Veritas.

The base engine is the land-based Cat G3516C Island Mode gen-set, a vee-16 configuration, providing 1550 ekW at 1500 rpm. The fuel system is an inlet fumigated low pressure gas system. Cat said the engine is able to run at 100% power with gas qualities down to Methane Nr 70. The first generator set packages recently completed and successfully passed the Bureau Veritas witness testing at the Zeppelin Power Systems facility in Achim, Germany.