The Konrad 520 has been engineered with hard work in mind and has a number of benefits that set it apart from the other stern drives on the market:
- Oversized bearings
- Thicker walled casings
- One piece propeller shaft
- Continuous oil circulation for cool operation
- No corrosive exhaust through drive
- Precision machined super alloy gears
- “Special K” gears available for demanding high performance
- No failure-prone cone clutch
- Minimal maintenance required
| Application | Engine Drive Shaft |
Exhaust |
Gear Ratios |
Propeller | Rotation | Steering Angle |
Transmission | Water Pickup |
| Recreation/Commercial | Mounting flange available for several types of transmissions | None through the sterndrive | 1.43:1, 1.57:1, 1.79:1, 2.0:1 | up to 20in diameter | Right/Left | 40orange | Reversing transmission required | None |
The Konrad 540 is designed for medium performance applications. With its sleek lower gear case, the Konrad 540 will enhance the performance of both diesel and gasoline powered vessels with thicker walled castings, robust gears, bearings and shafts.
The 540 sterndrive gives you the ability to apply greater power levels, resulting in increased reliability.
The Konrad 540 Sterndrive is manufactured in two variations, the Standard 540 and the High Performance 540.
| Application | Engine Coupling |
Exhaust |
Gear Ratios |
Propeller | Rotation | Steering Angle |
Transmission | Water Pickup |
| Recreation/Commercial/High Performance | Protection Multiple anodes, all castings chromatized and layered with powder coatings. | None through the sterndrive | 1.21:1, 1.33:1, and 1.51:1 | 16.75″ | Right/Left | 40o range | Reversing transmission required | None |
The Konrad 560 Twin Prop is designed for medium performance applications and engineered to reduce stress on the gears using dual propeller technology.
The specially designed lower housing contains two, one piece stainless steel propeller shafts, fitted with line protection seals.
| Application | Engine Type |
Exhaust |
Gear Ratios |
Propeller | Rotation | Steering Angle |
Transmission | Water Pick Up |
| Recreation/Commercial | Gasoline/Diesel | None through the sterndrive | 1.21:1, 1.33:1. 1.51:1, 1.67:1 | 153/ 4” (forward) and 151/4” (rear) | Right/Left | 56orange | Reversing transmission required | None |
