Mercury – Black Max 3-Blade Aluminum Propeller | 14" Diameter x 11" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | 77338A45

Overview

There's something deeply satisfying about a propeller that feels right. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 77338A45) delivers that sense of reliability that every boater wants. This kind lets you focus on the water, not what's happening behind you. From the first throttle push, you'll notice how confidently your boat moves, how smooth it feels on plane, and how steady it stays when cutting through a light chop. It's quiet, balanced, and built to make every trip a little more enjoyable. When you want dependable performance, this prop delivers every time.

Key Features

• Diameter & Pitch: 14" diameter x 11" pitch
• Rotation: Right-Hand
• Blade Count: 3-Blade design for consistent lift and efficient thrust
• Material: Patented Mercalloy aluminum alloy for strength and flexibility under stress
• Finish: Mercury Phantom Black glossy enamel for long-lasting corrosion resistance
• Hub System: Includes Flo-Torq II Hub Kit 835257K1 for drivetrain protection and easy service
• Design Details: Engineered for smooth acceleration, steady grip, and low vibration across RPM ranges

Engine & Boat Compatibility

• Designed for Mercury and Mariner 40–60 HP BigFoot/Command Thrust (all years)
• Fits Mercury and Mariner 75–125 HP (1978 and newer) outboards
• An excellent match for runabouts, fishing boats, pontoons, and small cruisers needing strong low-end thrust and steady mid-range performance
• Ideal for boaters who want smooth control while carrying gear, passengers, or towing light loads

Performance Benefits

The Black Max 77338A45 brings a noticeable difference the moment you open the throttle. It grips the water cleanly, giving you powerful yet predictable acceleration without excessive slip or vibration. As your boat settles on plane, the 3-blade design provides that satisfying lift and balance that makes steering feel effortless. Even in tighter turns or uneven water, this prop keeps your handling smooth and composed.

Mercury's Mercalloy aluminum construction is rugged enough for long seasons of use but flexible enough to handle minor impacts that would ruin a stiffer prop. And thanks to its Phantom Black enamel coating, corrosion doesn't stand a chance, whether in freshwater or saltwater; it stays sharp and efficient. Easy to maintain and quick to clean, this prop is built to work as hard as you do on the water.

Why is this prop a strong choice vs. alternatives?

• Mercury OEM quality: Designed and built by Mercury engineers, this prop matches perfectly with your engine for smooth, reliable performance.

• Reliable and easy to maintain: Its durable aluminum design offers long-term dependability and requires minimal upkeep, so you spend more time boating and less time in the shop.

• Cost-effective vs. stainless: You get the handling and responsiveness of a premium propeller without the high stainless-steel price tag.

• Versatile fit across multiple setups: Ideal for a range of Mercury outboards and boating styles, from fishing trips to family cruises.

FAQ Section

Q1: Which Mercury engines does the Black Max 77338A45 fit?

It's designed for Mercury and Mariner 40–60 HP BigFoot/Command Thrust (all years) and 75–125 HP (1978 and newer) outboards.

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

The Black Max uses Mercury's patented Mercalloy aluminum alloy, offering the perfect mix of durability, flexibility, and corrosion resistance. It also includes the Flo-Torq II Hub System to cushion and protect your drivetrain.

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

The 11-pitch prop is ideal if you're running a heavier load or need extra pulling power at lower speeds. Check your owner's manual or compare to your current prop's pitch for the best match.

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

Yes. The Phantom Black enamel finish resists corrosion and maintains performance in any water type.

Q5: What hub system does it use?

It includes the Flo-Torq II Hub Kit 835257K1, designed to reduce vibration, absorb shock, and protect your prop shaft during minor impacts.