Tug Boats THE SHIPYARD Astilleros Armón / Pontevedra THE CHALLENGE For both ocean-going tugs with the hull numbers V-085 and V- 086, built at the Spanish shipyard Astilleros Armón for the Heerema shipping company (the Netherlands), VULKAN ESPAÑOLA, a subsidiary of the globally active VULKAN Group, has delivered highly flexible couplings for the main drives, PTO gearboxes and generators. THE SOLUTION With the drive concept implemented in these tugs, a total of four Caterpillar MaK engines, type 6M32C with a rated power of 3,000 kW each, drive both propellers, whereby two engines each are synchronised via one gearbox. In the main drive there are a total of four highly flexible RATO DS couplings, one for each shaft, used between the four Caterpillar engines 6M32C and the two Reintjes gearboxe

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