Hydraulic Marine Systems' Lower Drives are an Azimuth Style Hydraulic Thruster Designed to produce a tremendous amount of Thrust in a compact housing, at a Cost Effective Price. The key to their ability is speed. Contrary to a slow turning rudder propeller style propulsion system, HMS' Thrusters produce 1,000 to 1,325 rpm's under load at the propeller!
When combined with the optional Kaplan 4-blade propeller and Matched, tight fitting Stainless Steel Nozzle (shown), these drives will give you the power you need when you need it most! Click the link below to view video of our single engine 275hp twin drive thruster (with 24" propellers) in a push off against a twin engine 430hp pushboat with 30" propellers:
http://www.youtube.com/v/dAhM-D-e7T0
Click the links below for Specifications and pricing:
Lower Drive Spec Sheet1.pdf
Drive Pricing 03.2010.pdf