Counter-rotating propeller sterndrive base 660B

The Konrad 660B is well know for fast performance driven applications, such as extreme government patrol and military intercept. The 660B is built to meet the demand for speed and precision. Designed for 7-15 meter (23-50 foot) vessels seeking speeds up to 60 knots (70 mph): Intended for military, commercial, medium duty, and recreational performance the konrad 660b offers •Oversized bearings •Thicker walled casings •Dual, counter rotating propellers •Continuous oil circulation for cool operation •No corrosive exhaust through drive •Precision machined super alloy gears •No failure-prone cone clutch •Minimal maintenance required