The first MaK dual-fuel marine diesel engine has been shipped out of the MaK Rostock, Gerrmany factory, announce Caterpillar Marine Power Systems, destined for the first of a new generation of AIDA cruise ships under construction by Mitsubishi Heavy Industries (MHI) at its Nagasaki Shipyard & Machinery Works.
MaK M 46 DF Marine Diesel Engine: Photo credit: Caterpillar
Upon arrival the new engine will be placed in the hull of the AIDA cruise ship now under construction (due for delivery in March 2015) as the first of two vessels ordered by the Costa Group member company. These luxury 124,500 gross tonnage cruise ships will have accommodation for around 3,300 passengers, and will be the largest ever constructed for AIDA Cruises.With a bore of 460 mm and stroke of 610, the M 46 DF engine is suitable for electric drive propulsion systems as well as mechanical propulsion systems. It has been designed to allow retrofitting of current M 43 C engines (three of which will also power the cr... [More]
A new high-speed marine diesel engine was introduced a few days ago by Caterpillar Marine Power Systems. The model C175-16, generally thought to be an improved version of the engine launched last year, is claimed by the manufacturers to be the cleanest-burning engine of its size in the world.High-speed four-stroke trunk piston engines are widely specified for propelling small, generally specialised, commercial vessels, such as offshore vessels, tugs and workboat applications, which is exactly the market Caterpillar has in mind for the new engine, although this unit might well serve as a main and emergency genset on any size of ship.
High-speed Marine Diesel Engine CATERPILLAR C175-16: Photo credit Caterpillar Marine Power Systems
The 84.67 ltr displacement C175-16 engine, latest in a line of high performance engines designed to meet EPA Tier 3 and IMO Tier II emissions requirements, is rated at 2001/2168 bkW at 1600 rpm. With a bore of 175 mm (6.9 in) and a stroke o... [More]