The Turning Point Express Mach3 OS 31511310 is a high-performance 3-blade stainless steel propeller designed for large horsepower outboards and sterndrives. Featuring a 15.6-inch diameter and 13-inch pitch with right-hand rotation, this propeller is engineered to deliver exceptional hole shot, impressive bow lift, and class-leading cornering performance for bay boats, offshore center consoles, and high-horsepower pontoons.
Advanced Design & Engineering:
The Express Mach3 OS represents the evolution of Turning Point's popular larger diameter VO series, with refined cup geometry, optimized leading and trailing edges, and aggressive progressive rake. These enhancements produce superior acceleration, improved bow lift, and excellent fuel economy in mid-range operation, making it ideal for boaters looking to maximize time on the water while stretching fuel dollars.
TP17™ Proprietary Stainless Steel:
Constructed from Turning Point's exclusive TP17™ stainless steel alloy, this propeller features 20% higher chromium content than competitive props for enhanced corrosion resistance and superior shine. The material is almost 250% stronger and 5 times more durable than standard stainless steel, allowing for radical blade designs that extract maximum performance from your engine.
Key Features:
- 15.6-inch diameter x 13-inch pitch, 3-blade design
- Right-hand rotation (standard)
- Fits 4.75-inch gearcase outboards 90hp and larger
- Compatible with Mercury Alpha One and Bravo One, Volvo Penta SX sterndrives
- Large free-flowing exhaust ports with 40% more flow area than competitors
- Performance-tuned pitch, rake angles, and exhaust vents
- Excellent hole shot and bow lift characteristics
- Superior mid-range fuel economy
- Class-leading cornering performance
- Universal fit for COX, Evinrude, Honda, Johnson, Mariner, Mercury, MerCruiser, Nissan, OMC, OXE, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha engines
Installation Requirements:
Requires Turning Point 500 series hub kit for applications under 200hp or 700 series hub kit for engines 200hp and above (sold separately). Consult application chart for specific hub kit requirements for your engine.
Ideal for boaters seeking professional-grade performance, enhanced durability, and improved fuel efficiency from their propulsion system.