Mercury – SpitFire Pontoon 4-Blade Aluminum Propeller | 13.8" Diameter x 10" Pitch | Right-Hand Rotation | Four Blades | Aluminum | Satin Finish | 8M8026555

Overview

If you spend your weekends cruising calm coves or cutting across open lakes with friends aboard a pontoon, you know how much the right prop changes everything. The Mercury SpitFire Pontoon 4-Blade Aluminum Propeller delivers that instant lift and control that makes a boat feel lighter and more responsive. It’s the kind of prop that grabs the water with authority, giving you a smooth takeoff, steady cruising, and confidence when maneuvering near the dock. This prop was built with pontoon owners in mind — steady, strong, and tuned for the unique way pontoons handle.

Key Features

• Diameter and Pitch: 13.8" Diameter x 10" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: Four Blades
• Material: Patented Mercalloy Aluminum Alloy
• Finish: Satin Aluminum Finish
• Hub System: Includes Flo-Torq II Hub Kit (835257K1) for protection and easy installation
• Design Details: Aggressive blade geometry designed for lift, speed, and improved handling on pontoon boats

Engine & Boat Compatibility

• Designed for pontoon boats powered by:
  • Mercury and Mariner 40–60 HP FourStroke BigFoot/Command Thrust outboards
  • Mercury 75–125 HP TwoStroke and FourStroke outboards (1978 and newer)
• Ideal for pontoons and tritoons where steady lift and acceleration are key
• Compatible with freshwater and light saltwater applications

Performance Benefits

What sets the SpitFire Pontoon prop apart is how naturally it works with your boat’s rhythm. From the moment you throttle up, you’ll feel that extra grip in the water — a solid, confident push that gets your pontoon on plane faster. Mercury’s four-blade geometry isn’t just about speed; it’s about balance. The blades catch just enough water to reduce slip without overloading the engine, giving you clean, smooth thrust every time.

At cruising speed, the SpitFire prop keeps your ride level and steady, even when you shift weight or add passengers. You’ll notice quieter operation too — fewer vibrations, less chatter, and that easy glide that makes long afternoons feel effortless. And when it’s time to turn back toward the marina, handling feels light and controlled, giving you the confidence to dock with precision instead of guesswork.

The prop’s Mercalloy aluminum construction makes it forgiving when you bump into the occasional sandbar or floating debris, yet durable enough to last season after season. It’s engineered for real-world boating — tough, reliable, and easy to maintain.

Why This Prop Is a Strong Choice vs. Alternatives

• Optimized for Pontoons: Engineered specifically for pontoon and tritoon hulls to improve lift and control.
• Quick Acceleration: Up to 25% faster hole shot compared to similar three-blade designs.
• Smooth Cruising: Four blades reduce slip and vibration for steady midrange performance.
• Durable Construction: Mercalloy aluminum offers a strong, flexible balance for impact resistance.
• Hub Protection: Flo-Torq II Hub Kit helps absorb shock from minor underwater impacts.

FAQ Section

Q1: Which Mercury engines does the SpitFire Pontoon 4-Blade Propeller fit?

It’s built for Mercury and Mariner 40–60 HP FourStroke BigFoot/Command Thrust outboards and 75–125 HP TwoStroke and FourStroke outboards made in 1978 or later.

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

This SpitFire model is tuned specifically for pontoon hulls, offering better lift, acceleration, and grip than a standard three-blade prop while keeping cruising speeds competitive.

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

If you own a pontoon powered by a Mercury engine within the 40–125 HP range and want smoother handling and faster takeoff, the 13.8" x 10" pitch setup is an excellent match.

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

Yes. Its Mercalloy aluminum alloy is corrosion-resistant and well-suited for both environments, though rinsing after saltwater use is always recommended.

Q5: What hub system does it use?

The SpitFire Pontoon prop includes Mercury’s Flo-Torq II Hub Kit, which cushions the drivetrain against impact and makes swapping props quick and simple.