Pro L4 (15 x 28″) Solas RH Propeller, 9577-150-28
Introduction
The Pro L4 (15 x 28″) Solas RH Propeller, 9577-150-28 for marine is a premier performance propeller designed for serious boaters and marine professionals. Whether you’re upgrading from an aluminum model or need higher pitch for speed optimization, this stainless steel prop offers top-tier propulsion efficiency, durability, and precise control on the water. With a 15-inch diameter and a 28-inch pitch, this Solas right-hand (RH) propeller is engineered to extract maximum performance from your outboard engine — especially in high-speed or offshore conditions.
This model is part of the trusted Pro L4 line within the DM|Propulsion > Propellers > Outboard > Pro L4 category, also falling under the Propulsion > Propeller stainless Steel Propellers group. If you’re aiming for aggressive acceleration, minimal cavitation, and long-term resilience, this propeller is an excellent fit for you.
Overview / What Is the Pro L4 (15 x 28″) Solas RH Propeller?
The Pro L4 Solas RH Propeller for marine is a stainless steel 4-blade propeller designed to deliver advanced thrust and lift for outboard-powered vessels. The 15-inch diameter offers a balanced footprint, while the 28-inch pitch translates to higher speeds with fewer revolutions, reducing engine strain while maintaining power output.
This propeller is a go-to solution for boaters using high-horsepower outboards in demanding marine environments. Whether fishing in strong currents, cruising at high speeds, or towing heavy loads, the 9577-150-28 model ensures smooth, vibration-free performance. Its highly polished finish not only improves aesthetics but enhances hydrodynamic efficiency as well.
Key Specifications and Compatibility Guide
Choosing the right propeller means understanding the numbers and specifications. The Pro L4 (15 x 28″) Solas RH Propeller stands out due to these core specs:
- Diameter: 15 inches
- Pitch: 28 inches – for high-speed performance
- Rotation: Right-hand
- Material: Polished stainless steel
- Blades: 4-blade configuration for greater thrust
This model fits most outboards ranging from 150 HP to 300 HP and is compatible with brands like Mercury, Yamaha, Evinrude, and Honda with appropriate hub kits. It’s best suited for deep V-hull boats, sport-fishing vessels, and fast cruisers requiring improved stern lift and reduced ventilation.
How to Install the Solas RH 9577-150-28 Propeller
Proper installation of your new Pro L4 Solas RH Propeller for marine ensures maximum performance and propeller life. Here’s how to do it:
- Ensure the engine is off and lifted fully using the trim control.
- Remove the cotter pin and propeller nut using a socket wrench.
- Pull off the old propeller and clean the shaft with a marine-grade solvent.
- Apply marine grease along the shaft to prevent corrosion and ease future removal.
- Install the Solas propeller, ensuring the hub and spacer are aligned properly.
- Torque the nut according to your manufacturer’s specifications and reinstall the cotter pin.
Pro Tip: Always check that your hub kit is compatible with the propeller model and engine brand before installing.
Maintenance Tips
To ensure long-lasting performance of your Pro L4 (15 x 28″) Solas RH Propeller, follow these expert maintenance tips:
- Inspect regularly: Check for damage such as dents, cracks, or fishing line entanglement after each outing.
- Clean after saltwater use: Rinse thoroughly with fresh water to prevent salt buildup and corrosion.
- Apply marine grease: Lubricate the propeller shaft every 20–30 engine hours.
- Check torque: Ensure the propeller nut remains tightened to the engine manufacturer’s specs.
- Store safely: If removing for the offseason, store in a dry and padded location to avoid accidental impact.
Proactive maintenance extends the life of the propeller, reduces fuel consumption, and improves boating safety.
Top Benefits of Choosing a Stainless Steel Solas Propeller
Why opt for a stainless steel propeller like the Pro L4? Here’s why experienced mariners prefer it:
Durability: Stainless steel holds up under stress and resists impact damage far better than aluminum props. It also maintains its blade shape better at higher speeds.
Performance: Stainless props offer improved hole shot, less cavitation, and better fuel economy. With tighter tolerances and sharper edges, they provide better bite in the water and smoother cruising even at higher RPMs.
Best Pro L4 Solas RH Propeller Options for Performance
The Pro L4 series comes in multiple pitch configurations — from 21″ to 30″ — but the 15 x 28″ Solas RH Propeller is ideal for seasoned boaters aiming for speed without compromising control. It’s especially useful when:
- You want to reduce engine RPMs at wide-open throttle.
- Your boat is light and capable of planing quickly.
- You operate in offshore or open water with minimal load variations.
The 28″ pitch allows for greater top-end speeds, but be mindful of your engine’s power band to avoid lugging. Always monitor RPMs and throttle response after installing a higher-pitch propeller.
Expert Advice and Pro Recommendations
Marine specialists suggest the Pro L4 (15 x 28″) Solas RH Propeller for marine when you’re looking to refine your boat’s speed-to-efficiency ratio. Due to its higher pitch and stainless build, it is best suited for experienced boaters familiar with prop tuning and outboard engine performance curves.
For lightweight hulls or boats designed for long, high-speed cruises, this propeller is a smart upgrade. It’s also frequently used in professional fishing tournaments or offshore racing conditions where every knot matters.
Buy now: Pro L4 (15 x 28″) Solas RH Propeller, 9577-150-28 — and save with 5% OFF using code WELCOME5.
Detailed FAQ Section
What makes the Pro L4 15 x 28″ Solas RH Propeller different from other models?
The standout feature of the 9577-150-28 model is its 28-inch pitch, designed for high-speed applications. While other models in the Pro L4 series may offer greater thrust at lower speeds, this version is fine-tuned for achieving top-end velocity. It also features four blades for added thrust and smoother handling, which sets it apart from standard 3-blade props. The stainless steel composition ensures long-term durability and reduced performance degradation.
Can I use the Pro L4 (15 x 28″) Solas propeller on any outboard engine?
This propeller fits most high-horsepower outboard engines (150 HP and up), including Mercury, Yamaha, Honda, and Evinrude, as long as the correct hub kit is used. It’s essential to match the propeller to your engine’s spline count and shaft diameter. If you’re unsure about compatibility, consult the manufacturer’s fitment chart or speak to a marine specialist to avoid mismatches.
How do I know if a 28-inch pitch is right for my boat?
A 28-inch pitch is suitable for light, high-performance boats that can achieve planing speeds quickly. If your engine RPMs exceed manufacturer recommendations with your current prop, moving up to a 28-inch pitch can help lower RPMs while increasing speed. Conversely, if your boat struggles to get on plane, a lower pitch may be better. Always measure your current WOT RPMs and consult your engine’s ideal range before upgrading.
What’s the average lifespan of a stainless steel Solas RH Propeller?
With proper maintenance, the Pro L4 Solas RH Propeller can last 5 to 10 seasons or more. Stainless steel is resistant to impact, wear, and corrosion, making it ideal for frequent use in both freshwater and saltwater conditions. Regular inspection, cleaning, and proper installation are key to extending its lifespan.
Is the Pro L4 (15 x 28″) Solas RH Propeller worth the investment?
Absolutely. While it costs more upfront than aluminum options, the performance gains, fuel savings, and longer life make it a cost-effective upgrade over time. It’s a popular choice for experienced boaters and commercial operators who demand reliability, especially in high-speed or offshore applications. If you’re serious about maximizing your boat’s potential, this prop is worth every dollar.
Conclusion
The Pro L4 (15 x 28″) Solas RH Propeller for marine represents the pinnacle of marine propulsion for boaters who demand speed, efficiency, and resilience. Its high-pitch design, stainless steel build, and 4-blade configuration make it a powerful upgrade for high-performance outboards. Whether you’re racing across open water or navigating heavy currents, this propeller ensures you get the most from your engine while maintaining smooth, responsive handling.
When paired with the right setup, the 9577-150-28 can dramatically enhance your vessel’s capabilities — from better fuel economy to reduced engine wear. Don’t just ride the waves — dominate them with Pro L4.
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For more helpful marine maintenance guides, check out our article on Volvo Penta Dual Front Stainless Steel (15 x 15″) Solas RH Propeller, 8532-150-15.