The 36" Prop-3 Blade (Part No. 6403-5605) is a replacement fiberglass propeller designed for current PolarCool Classic and Pro 36" evaporative cooling fans. Featuring a durable red 3-blade design, this prop is engineered for use with the Vosterman motor (SKU 6422-6023) and delivers high-performance airflow for warehouse cooling, outdoor cooling systems, and industrial air coolers. Ships with mounting hardware including key or dowel pin for secure installation.

Key Features

• Red prop design: current model used on PolarCool Classic and Pro 36" units.
• Engineered for use with Vosterman motor (SKU 6422-6023).
• Compatible with 36" standard line (black powder coated and stainless), Zone 11K (36" gray rotomolded plastic model), and Pro models.
• Durable fiberglass construction for long-lasting performance in demanding environments.
• Includes mounting hardware (key or dowel pin) for secure attachment to motor shaft.

Benefits

• Restores high-performance airflow for efficient evaporative cooling and ventilation.
• Durable fiberglass construction withstands continuous use in industrial and outdoor environments.
• Direct-fit replacement simplifies installation and reduces service time.
• Includes all necessary mounting hardware for secure, reliable operation. 
• Supports optimal performance of PolarCool 36" evaporative coolers, swamp coolers, and high-velocity fans.

Applications

• Replacement propeller for current PolarCool Classic and Pro 36" evaporative cooling fans.
• Compatible with 36" standard line (black powder coated and stainless models), Zone 11K (36" gray rotomolded plastic model), and Pro models.
• Ideal for warehouse cooling, outdoor cooling systems, and portable evaporative air coolers.
• Suitable for industrial air coolers, swamp coolers, and high-velocity fans requiring 36" propellers.
• Recommended for maintenance inventories and service kits for facilities managing PolarCool equipment.

Compatibility & Installation Notes

• Important: This is the current 36" propeller for PolarCool Classic and Pro models.
• Verify your model before ordering.
• Designed for use with Vosterman motor (SKU 6422-6023).
• Compatible with 36" standard line (black powder coated and stainless), Zone 11K (36" gray rotomolded plastic model), and Pro models.
• Ships with mounting hardware including key or dowel pin for secure attachment to motor shaft.
• Inspect motor shaft and mounting hardware during installation to ensure proper fit and secure operation.
• Follow manufacturer installation guidelines for safe, reliable performance.

Why Choose

This Propeller For maintenance teams and facility operators managing PolarCool 36" evaporative coolers, the 36" Prop-3 Blade (6403-5605) offers a durable, high-performance replacement that restores efficient airflow, simplifies installation, and ensures reliable operation across warehouse, industrial, and outdoor cooling applications.

Key Features

• Genuine PolarCool replacement component
• Built for durability and reliable cooling performance
• Designed for easy installation

Compatibility

36, 36 Zone, 36 Pro