Mercury – Trophy Sport 4-Blade Stainless Steel Propeller | 10.625" Diameter x 14" Pitch | Right-Hand Rotation | 4-Blade | Stainless Steel | Polished Finish | 878616A46

Overview

There’s nothing like the feeling of a boat that jumps to life when you open up the throttle, the bow lifts, the water flattens, and the ride feels effortless. That’s exactly what the Mercury Trophy Sport 4-Blade Stainless Steel Propeller ( 878616A46) delivers. Designed for flats and bay boats running 30 to 60 HP outboards, this prop was built to get your boat on plane fast, hold steady in skinny water, and give you the kind of control that makes tight channels and shallow runs a breeze. It’s the prop you choose when you want performance that feels natural, predictable and strong.

Key Features

• Diameter and Pitch: 10.625" Diameter x 14" Pitch
• Rotation: Right Hand Rotation
• Blade Count: 4-Blade Design for excellent lift, balance, and holding power
• Material: Premium Stainless Steel for long-lasting strength and precision performance
• Finish: Polished stainless finish for corrosion resistance and professional shine
• Hub System: Includes Flo Torq Reflex Hub Kit (835257K12) to protect your drivetrain from impact damage
• Design Details: Optimized blade geometry enhances lift, acceleration and stability in shallow and winding water

Engine & Boat Compatibility

The Mercury Trophy Sport 4-Blade Propeller is made to get the most out of your Mercury outboard, whether you’re navigating flats, bays, or tight backwaters.

• 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 that demand fast lift and responsive handling in shallow water

Performance Benefits

The Trophy Sport 4-Blade Stainless Steel Propeller isn’t just about speed; it’s about balance and control. The four blade design gives it a strong, consistent bite in the water, helping your boat plane faster and stay steady through turns. You’ll feel the difference right away: smooth lift, quick response, and confident handling when navigating tight channels or shallow flats.

With its stainless steel construction, this prop holds firm under pressure. There’s no flex, no wasted energy, just direct, powerful thrust. The result is cleaner acceleration, better top-end efficiency, and a smoother ride through varying conditions. Even when the wind kicks up or the current shifts, this prop maintains a firm, predictable grip, giving you complete control of your boat’s movement.

Its polished finish adds more than shine; it resists corrosion, fights off wear and keeps maintenance simple. Whether you’re running saltwater coastlines or inland lakes, it’s designed to perform season after season without compromise.

Why this prop is a smart real-world choice:

• Mercury OEM quality: Engineered and tested by Mercury for flawless compatibility and reliability.
• Reliable and easy to maintain: Built from premium stainless steel for strength and corrosion resistance.
• Cost-effective vs. high-performance props: Exceptional lift and handling at an accessible price.
• Versatile fit across multiple setups: Works across many Mercury outboards and boat types with consistent performance.

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 select 25–60 HP models, including TwoStroke, FourStroke, SeaPro, and Marathon engines.

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

The Trophy Sport features a four-blade stainless-steel design that offers faster planing, stronger lift, and smoother handling in tight or shallow water compared to three-blade models.

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

The 10.625" diameter and 14" pitch are ideal for smaller boats that need quick lift, strong mid-range thrust, and efficient cruising control.

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

Yes. Its polished stainless-steel finish offers excellent corrosion resistance, making it ideal for both saltwater and freshwater environments.

Q5: What hub system does it use?

It includes Mercury’s Flo-Torq Reflex Hub Kit (835257K12), which cushions the drivetrain from sudden impacts to help prevent damage.