31511310 - Turning Point Propellers Turning Point Mach3 OS Stainless Steel Propeller - 15.625" x 13

Turning Point Mach3 OS Stainless Steel Propeller - 15.625" x 13 Pitch - Right Hand

The Mach3 OS Series of Stainless Steel Propellers represents the pinnacle of performance for high horsepower applications. Designed for large diameter bay boats, offshore center consoles, and high-powered pontoons, this propeller features advancements that enhance cup design, leading and trailing edges, and incorporates an aggressive rake and blade geometry. These innovations deliver superior hole shot, impressive bow lift, and exceptional cornering capabilities.

Fitting outboards of 90hp and above with 4.75" gearcases across all major brands—Mercury, Yamaha, Honda, and more—the Mach3 OS is engineered to optimize speed and fuel efficiency, making it an ideal choice for boating enthusiasts looking to extend their water adventures.

Proprietary Stainless Steel TP17

This propeller is crafted from a distinctive stainless steel alloy, offering 20% higher chromium content for enhanced shine and superior resistance to corrosion. With increased strength and durability compared to standard stainless steel, the TP17 material enables innovative designs that push the boundaries of performance.

Enhanced Exhaust Flow Design

Featuring large free-flowing exhaust ports, this propeller promotes 40% more exhaust area than competing products, resulting in reduced backpressure and increased horsepower—enhancing overall propulsion for your boat.

Compatibility extends to a wide range of outboard and sterndrive engines, making the Mach3 OS a versatile option for various boating needs. For installation, a Hub Kit is necessary—refer to the Turning Point Selection Chart for proper selection.

WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

The Turning Point Mach3 OS Stainless Steel Propeller (part number 31511310) is a high-performance component designed for marine applications requiring robust propulsion. This propeller is engineered for large diameter bay boats, offshore center consoles, and high-powered pontoons, specifically for outboards of 90hp and above with 4.75" gearcases. It features an aggressive rake and blade geometry, along with enhanced cup design and improved leading/trailing edges, which contribute to better hole shot, bow lift, and cornering. Constructed from proprietary TP17 stainless steel, it offers 20% higher chromium content for increased corrosion resistance and durability. The design also incorporates large, free-flowing exhaust ports, providing 40% more exhaust area than some competing products, which can reduce backpressure and potentially increase horsepower. This propeller is compatible with major brands such as Mercury, Yamaha, and Honda, and requires a separate hub kit for installation.