Turning Point Propellers 15.6X13 Steel Three Blade Right Hand Rotation Prop Express Mach3 (31511310)

Turning Point offers the Express Mach3 OS Series 15-3/5"D x 13"P 3-Blade Stainless Steel Thru Hub Exhaust Propeller with 150 HP (31511310). The Express Mach3 OS is ideal for high-horsepower bay boats, offshore center consoles, and pontoon/tri-toon boats. It fits all 90hp and above 4.75" gearcase outboards, Mercury Alpha One and Bravo One, and Volvo Penta SX sterndrives. Many applications benefit from large diameter three-blade propellers. With the Express Mach3 OS, you can obtain more time on the water, better cruising range, or merely save money on gasoline.

The new Express Mach3 OS Stainless Steel Propeller Series is the progression of Turning Point's very successful bigger diameter VO series. Their Engineers and Propeller Experts enhanced the cup, leading, trailing edges, and the aggressive progressive rake and blade geometry that have become Turning Point trademarks. It permits Turning Point's engineers and designers to create creative new ideas that will aid you in extracting the most performance from your boat. Plus! Turning Point is the only maker of aluminum propellers that use this race-proven technology.

Key Features:

• Exacting needs of the New Express Mach3 and Mach4 designs, proprietary stainless steel, TP17. Better corrosion resistance and gloss with 20% more chrome than the competitors. 5X tougher and 5X longer lasting than regular stainless steel.
• MaxSpeed Dyno Balance Processes: Smoother ride, faster top end, and better fuel efficiency.
• Flowing Large Turbine Propeller Housings feature huge Exhaust flow paths. Their props have a 40% larger exhaust flow area than competitors. HP is increased exhaust flow and less backpressure. Like boat headers
• Express Stainless Steel Propellers include ventilated barrels for hole shot/low-end acceleration.
• An installation hub kit is needed.

Specifications:

• Brand: Turning Point Propellers
• SKU: 31511310
• UPC: 652480206849
• Weight: 16.00 LBS
• Material: Stainless Steel
• Pitch: 13"
• Hub Kit: Not Included
• Manufacturer Part Number (MPN): 31511310
• Diameter: 15-3/5"
• Rotation: Right Hand
• Blade Quantity: 3

How Does Turning Point Design Industry Leading Performance Props?
When Turning Point designs a new prop for a given category, they identify the best performing OEM and Aftermarket stainless steel props in the market that fits into that category. A better aluminum & stainless steel version is designed at the same time using the same geometry & drawing. Through testing, Turning Point’s engineers modify the design until it performs better than the best competitive Stainless Steel prop.

Why upgrade to a Tuning Point stainless steel propeller?

- Stainless steel propellers are much more durable compared to aluminum.

- Substantial better performance over competitive aluminum propellers. (Minimal performance difference, around 0.5-1mph speed gain over Turning Point Aluminum Propeller Designs.)

- Expect better performance over competitive OEM and Aftermarket Stainless Steel propellers.

The New 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 competive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.

This product replaces:

• 652480206849, OS-1613

Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.

Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.

Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.

Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.

Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.

Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.

To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.

We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.