680B Stern Drive
Analysis Form
Every application is analyzed and approved by Konrad Application Engineers. Please complete the Analysis Form and submit it online, or download the PDF to print, scan, email, or mail back to Konrad. A Konrad Application Engineer will contact you to discuss your priorities and goals and determine the best Konrad sterndrive model for you. You can also reach out to us anytime. We look forward to working with you!
Technical Information
For your convenience, we have downloadable documents that will help with the conversion process.
The Konrad 680B has been engineered with the largest and strongest gears in the industry. The 680B is capable of carrying capacities up to 8.4 metric tons (over 18,500 lbs.) per drive. This drive operates with extreme efficiency in the area of 40 knots (46 mph):
intended for military, commercial, medium duty, and recreational performance the konrad 680B 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
