Description
10.6x12 A4R Prop for Evinrude/Johnson | Boat Supply Store
Optimize your outboard's performance with this 10.6-inch diameter, 12-inch pitch aluminum propeller designed for critical load conditions. Engineered to replace OEM part numbers 396722 and 378886, it ensures precise thrust delivery. Ideal for 25-60 HP Evinrude and Johnson outboards operating in shallow Texas waterways, it facilitates efficient planing and sustained cruise speeds.
Key Features
- Optimized Diameter for superior thrust at 10.6 inches.
- Targeted Pitch of 12 inches for efficient cruising.
- Durable Aluminum Construction for reliable operation.
- Direct Replacement for Evinrude/Johnson part numbers 396722, 378886.
- Enhanced Hole Shot for quicker planing.
- Improved Fuel Efficiency at sustained speeds.
- Engineered for 25-60 HP Outboards.
- Corrosion Resistant Finish for marine longevity.
Specifications
| Product Specifications | |
|---|---|
| Diameter | 10.6 inches |
| Pitch | 12 inches |
| Blades | 4 |
| Material | Aluminum |
| Rotation | A4R |
Who This Is For
Boaters with 25-60 HP Evinrude or Johnson outboards seeking a direct replacement propeller to improve performance. Ideal for owners of smaller fishing boats or skiffs requiring enhanced hole shot and cruise efficiency.
How It Compares
| Feature | 10.6x12 A4R Prop for Evinrude/Johnson | Mercury Marine |
|---|---|---|
| Diameter | 10.6 inches | 10.4 inches |
| Pitch | 12 inches | 11.75 inches |
| Blades | 4 | 3 |
| Material | Aluminum | Aluminum |
Common Concerns Answered
Will this propeller fit my specific Evinrude or Johnson outboard?
This propeller is designed as a direct replacement for Evinrude/Johnson models within the 25-60 HP range, specifically replacing part numbers 396722 and 378886. Always verify your outboard's compatibility with these OEM numbers before purchase.
How does the 4-blade design differ from a standard 3-blade propeller?
The 4-blade configuration on this propeller generally offers improved hole shot and better mid-range acceleration compared to a 3-blade. It can also provide a smoother ride and better fuel efficiency at cruise speeds for your 25-60 HP outboard.
Is this propeller suitable for saltwater use?
While constructed from durable aluminum with a corrosion-resistant finish, proper rinsing with fresh water after each saltwater use is recommended to maximize its lifespan and prevent premature degradation.
Frequently Asked Questions
What is the primary benefit of the A4R designation?
The A4R designation on this POLARIS PROPELLER USA prop indicates its specific blade geometry and rotation designed to optimize performance for certain outboard engine applications, typically enhancing efficiency and thrust.
What does '10.6x12' refer to on this propeller?
The '10.6x12' specifies the propeller's dimensions: 10.6 inches is the diameter and 12 inches is the pitch. Pitch dictates the theoretical distance the propeller will travel forward in one revolution.
Can I use this propeller on an engine outside the 25-60 HP range?
Using this propeller on an engine outside its specified 25-60 HP range can lead to sub-optimal performance, potential engine strain, or even damage. It is engineered to match the torque and RPM characteristics of these specific outboards.
How does the aluminum material affect performance?
Aluminum propellers offer a good balance of durability, cost-effectiveness, and performance. They are generally lighter than stainless steel, which can contribute to a quicker hole shot, making them suitable for the target 25-60 HP outboards.
What is the typical lifespan of an aluminum propeller like this?
The lifespan of an aluminum propeller depends heavily on usage conditions, maintenance, and environmental factors. With proper care, including regular inspection and cleaning, especially in saltwater, it can provide several seasons of reliable service.
