Mercury – Trophy Sport 4-Blade Stainless Steel Propeller | 10.625" Diameter x 13" Pitch | Right-Hand Rotation | 4-Blade | Stainless Steel | Polished Finish | 878614A46

Overview

Some props don’t just move your boat, they change how it feels on the water. The Mercury Trophy Sport 4-Blade Stainless Steel Propeller (Part Number 878614A46) does precisely that. It’s built for boaters who love quick lift, smooth handling, and rock-solid control when running skinny flats or winding bay channels. Every throttle push feels crisp and confident, with the kind of grip and balance that keeps your boat steady even when the water’s not. It’s reliable, responsive, and crafted in the type of boating days you never want to end.

Key Features

• Diameter and Pitch: 10.625" Diameter x 13" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: 4-Blade Design for powerful lift, precise handling, and strong mid-range performance
• Material: Premium Stainless Steel for strength, stiffness, and long-term reliability
• Finish: Polished stainless finish for corrosion resistance and clean aesthetics
• Hub System: Includes Flo-Torq Reflex Hub Kit (835257K12) to absorb shock and protect the drivetrain from minor impacts
• Design Details: High-lift blade geometry provides quick planing, strong bite, and steady control in shallow or narrow water

Engine & Boat Compatibility

The Mercury Trophy Sport 4-Blade Propeller is designed to get the best performance from smaller to mid-size Mercury outboards.

• Recommended for Mercury and Mariner 40–60 HP BigFoot/Command Thrust outboards
• Also compatible with Mercury and Mariner 25 HP BigFoot/Command Thrust, 30 HP TwoStroke, 30–55 HP SeaPro/Marathon, 30 HP FourStroke (1994–2005), and 40–60 HP TwoStroke and FourStroke (non-BigFoot/Command Thrust, 1977 and newer)
• Ideal for flats boats, bay boats, and light fishing boats where speed, lift, and control are equally important

Performance Benefits

The Trophy Sport 4-Blade Stainless Steel Propeller with a 13-inch pitch delivers that sweet balance between acceleration and top-end speed. The four-blade configuration gives your boat superior lift, letting it jump onto plane faster and stay there with less bow rise. You’ll feel the clean, confident push through tight turns, shallow channels, and rougher chop — a steady, predictable response that keeps your ride controlled and enjoyable.

The prop’s stainless-steel construction eliminates unwanted flex, ensuring every ounce of power from your outboard translates directly into forward motion. That means smoother cruising, sharper acceleration, and improved fuel efficiency. Whether you’re gliding through a morning run or powering home against a stiff breeze, this prop delivers the kind of dependable, balanced thrust that inspires trust.

The polished stainless finish protects against corrosion and adds durability for both saltwater and freshwater use. With Mercury’s renowned precision engineering behind it, you’re getting a prop that’s not only tough but refined — built to perform flawlessly season after season.

Why this prop is a smart real-world choice:

• Mercury OEM quality: Designed, tested, and balanced by Mercury for superior engine performance.
• Reliable and easy to maintain: Built from high-grade stainless steel for unmatched durability.
• Cost-effective vs. high-performance props: Delivers top-tier performance and balance without the premium price tag.
• Versatile fit across multiple setups: Works beautifully across several Mercury and Mariner outboard models and boat types.

FAQ

Q1: Which Mercury engines does the Mercury Trophy Sport 4-Blade Propeller fit?

It fits Mercury and Mariner 40–60 HP BigFoot/Command Thrust outboards and can also be used on 25–60 HP models, including TwoStroke, FourStroke, SeaPro, and Marathon engines.

Q2: What makes this propeller different from other Mercury options?

The Trophy Sport uses a four-blade design to provide faster planing, better lift, and smoother handling in shallow water. It’s crafted from stainless steel for maximum strength and efficiency.

Q3: How do I know if this pitch or size is right for my boat?

The 10.625" diameter and 13" pitch combination is great for smaller boats that need quick planing, solid mid-range thrust, and efficient control during turns and acceleration.

Q4: Can this prop be used in both saltwater and freshwater?

Yes. Its polished stainless-steel finish offers corrosion resistance for reliable use in any environment.

Q5: What hub system does it use?

It includes Mercury’s Flo-Torq Reflex Hub Kit (835257K12), designed to absorb impacts and protect your engine’s drivetrain from sudden shocks.