Wartsila Hydraulic Couplings 

Wärtsilä hydraulic shaft couplings provide a simple and quick way to connect shafts, eliminating the need for keyways, tapers or thrust rings. The hydraulic shaft coupling range consists of four designs, which include flange couplings that connect a shaft to a gearbox, engine or other shaft type and couplings that connect two standard shafts. Read more at www.motorship.com