The Konrad 660B is well known 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 propeller

  • Continuous oil circulation for cool operation

  • No corrosive exhaust through drive

  • Precision machined super alloy gears

  • No failure-prone cone clutch

  • Minimal maintenance required

Application Recreational or Commercial
Recreational or Commercial Direct or Remote (Jack or CV Shaft)
Exhaust None through the sterndrive
Gear Ratios 1.07:1, 1.23:1, 1.31:1, 1.50:1, 1.67:1
Lubrication Full Immersion, seventeen quarts with external reservoir
Propeller Diameter Range 33.7 cm - 40.6 cm
Rotation Counter rotation
Steering Angle 50° range
Transmission Reversing transmission required
Transom Mounting Template available per application
Transom Requirements 13° angle nominal, 6.4 mm - 79.4 mm thick
Trim/Lift System Approximate -6° to +10° trim, twin cylinders with electrohydraulic pump Approximate 30° of total lift range
Water Pickup None through the sterndrive