Boat water-jet drive 500-750 hp
max. 700 hp | ULTRAJET 377 ULTRA Dynamics

The NEW ULTRAJET 377 with a 377mm (14.8") diameter impeller provides higher thrust per horsepower when matched to modern engines up to 700 bhp. The UJ377 is the latest in the range of high performance UltraJet drives developed for commercial, pleasure and military craft.
SINGLE STAGE design utilising four or ﬁ ve blade impellers to match the speciﬁ ed engine power at a range of input speeds.The UltraJet 377 is derived from the Ultra and Dowty jet drive range used in military
and commercial applications. The hydrodynamically designed UJ377incorporates an efﬁ cient and robust axial ﬂow pump, reverse and steering controls, and is the culmination of over 45 years of
research, development and practical experience.