Turning Point Propellers Express Mach3 OS Left Hand 3-Blade Stainless Steel Propeller (15.625" x 13" Pitch)

Express Mach3 OS - Left Hand - Stainless Steel Propeller - OS-1613-L - 3-Blade - 15.625" x 13 Pitch

The Express Mach3 OS Series of Stainless Steel Propellers are the next step in the evolution of our very popular larger diameter VO series. Our Engineers and Propeller Experts made improvements to the cup, leading and trailing edges, and the aggressive progressive rake and blade geometry that are Turning Point hallmarks. These modifications have produced a propeller with excellent hole shot, impressive bow lift, and class leading cornering.

The Express Mach3 OS is perfectly matched to large horsepower bay boats, offshore center consoles, and high horsepower pontoons/tri-toons. It will fit all 90hp and larger 4.75" gearcase outboards from all engine manufacturers, and Mercury Alpha One and Bravo One, and Volvo Penta SX sterndrives. Large diameter three blade propellers offer great mid-range fuel economy in many applications. Whether you are looking to maximize your time on the water, extend your cruise range, or just stretch your fuel dollars, the Express Mach3 OS is a great choice to get the most out of your boat.

Proprietary Stainless Steel, TP17

Formulated to meet the exacting requirements of the New Express Mach3 and Mach4 designs. 20% higher chromium content than the competition - more shine, better corrosion resistance. Almost 250% Stronger and 5X more durable than run-of-the-mill stainless steel. This new material allows Turning Point's Engineers and Designers the freedom to produce radical new designs that will help you wring the most performance out of your boat.

Large Free Flowing Exhaust Ports

Turning Point's Propeller Housings have massive Exhaust flow pathways. Their Propellers have 40% more exhaust flow Area versus competitive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.

Turning Point manufactures Express propellers to fit 9.9(bigfoot)-300+hp Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Mercury, Nissan, OMC, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha Outboards and Sterndrives. Choose one of our Lifetime Warranty MasterGuard Installation Kits to fit your engine, then choose the propeller that matches your boating requirements. There are 3 and 4 blade, left and right rotation prop models with a variety of diameter and pitch options available for almost all boat types. Turning Point's Props Run Faster, Pull Harder, and Handle Better.

Note: A Hub Kit is required for installation of this propeller. See the Turning Point Selection Chart or the Prop Wizard for hub kit 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 go to P65Warnings.ca.gov.

The Turning Point Propellers Express Mach3 OS Series offers a significant upgrade in performance and durability for demanding marine applications. Designed with advanced engineering, this stainless steel propeller features a 3-blade configuration with a 15.625-inch diameter and 13-inch pitch, optimized for large horsepower bay boats, offshore center consoles, and high-performance pontoons or tri-toons. Its innovative blade geometry and aggressive rake provide excellent hole shot and impressive bow lift, enhancing overall boat handling and efficiency. Whether you're seeking better acceleration or more efficient cruising, the Mach3 OS is engineered to meet your needs while maintaining smooth and reliable operation.

Constructed from proprietary TP17 stainless steel, this propeller boasts 20% higher chromium content than standard stainless steel, offering superior corrosion resistance and a brilliant shine. It is nearly 250% stronger and five times more durable than typical stainless steel props, allowing for radical design features that maximize performance and lifespan. The large, free-flowing exhaust ports in the Turning Point design enable 40% more exhaust flow area compared to competitors, reducing backpressure and producing more horsepower akin to high-performance headers. This design innovation translates into increased speed, power, and overall engine efficiency.

Compatible with a wide array of engines, including 90hp and larger 4.75-inch gearcase outboards from manufacturers such as Mercury, Yamaha, Honda, Suzuki, Evinrude, and Volvo Penta, as well as sterndrives like Mercury Alpha One, Bravo One, and Volvo Penta SX. The propeller is suitable for engines with horsepower ranging from 90 to over 300+, making it versatile for various boats and configurations. To install this propeller, a hub kit is required; Turning Point offers compatible Lifetime Warranty MasterGuard Installation Kits to ensure a secure fit. With options available for right and left-hand rotation, three or four blades, and multiple diameters and pitches, the Mach3 OS is tailored to optimize your boat’s performance and handling.

Note: This product may contain chemicals such as lead, which are known to the State of California to cause health issues. For more information, visit P65Warnings.ca.gov.

Features:

• 3-blade stainless steel propeller designed for high horsepower applications

• Optimized blade geometry with aggressive rake for enhanced bow lift and hole shot

• Constructed from proprietary TP17 stainless steel for superior strength and corrosion resistance

• Large exhaust flow ports with 40% more flow area for increased horsepower

• Compatible with engines from 90hp to 300+hp across multiple manufacturers

• Fits all 4.75-inch gearcase outboards and sterndrives including Mercury, Volvo Penta, and Yamaha

• Requires hub kit for installation, available with lifetime warranty options

• Left-hand rotation propeller suitable for a variety of boat types