The Turning Point Express Mach3 OS 31512310 is a high-performance 3-blade stainless steel propeller designed for serious boaters who demand the best from their watercraft. Measuring 15.6 inches in diameter with a 23-inch pitch and right-hand rotation, this propeller represents the evolution of Turning Point's popular larger diameter designs, engineered specifically for 150-300+hp outboards with 4.75-inch gearcases and select sterndrives.
Advanced Engineering and Performance:
- Refined cup design with optimized leading and trailing edges for superior water flow
- Aggressive progressive rake and blade geometry delivers excellent hole shot and impressive bow lift
- Class-leading cornering performance for confident boat handling
- Large diameter 3-blade design provides outstanding mid-range fuel economy
- 40% larger exhaust flow area versus competitive propellers reduces backpressure and maximizes horsepower
Proprietary TP17 Stainless Steel Construction:
- 20% higher chromium content than competitors for superior corrosion resistance and brilliant shine
- Nearly 250% stronger than conventional stainless steel alloys
- 5X more durable for extended service life, even in demanding conditions
- Advanced material properties enable radical blade designs not possible with standard stainless steel
Application and Compatibility:
The Express Mach3 OS is perfectly matched to large horsepower bay boats, offshore center consoles, and high-performance pontoons and tri-toons. Compatible with 90hp and larger outboards from COX, Evinrude, Honda, Johnson, Mariner, Mercury, Nissan, OMC, OXE, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha, as well as Mercury Alpha One and Bravo One and Volvo Penta SX sterndrives. Requires 500-series hub kit for engines under 200hp or 700-series hub kit for 200+hp applications (sold separately).
Whether you're looking to maximize time on the water, extend your cruising range, or simply get the most performance and efficiency from your boat, the Turning Point Express Mach3 OS delivers measurable improvements over both aluminum and competitive stainless steel propellers.