B319 Marathon 3/4 hp (1 speed) 115/208-230V 1725 RPM ODP 56 Frame Cap Start Resilient Base Motor

B319 Marathon 3/4 hp (1 speed) 115/208-230V 1725 RPM ODP 56 Frame Cap Start Resilient Base Motor

The Marathon B319 is a 3/4 horsepower, single-speed blower motor designed for HVAC and industrial air movement applications. It replaces the Greenheck 306042 model and features a capacitor start for higher starting torque, suitable for both vertical and horizontal shaft orientations.

Key Specifications

• Horsepower: 3/4 hp
• RPM: 1725
• Voltage: 115/208-230 V
• Amperage: 10.0/5.2-5.0 A
• Enclosure: Open Drip Proof (ODP)
• Frame / Diameter: NEMA 56 Frame
• Shaft Dimensions: 5/8" diameter x 1-7/8" length, keyed
• Bearings: Ball Bearings

Product Features & Fitment

This motor includes a resilient base for stable mounting and is reversible to accommodate different installation requirements. It features Class B insulation and automatic thermal protection for reliable operation. The capacitor start design provides enhanced starting torque, making it ideal for blower applications inside buildings.

Cross Reference

• Greenheck 306042

Warranty

1 Year Manufacturer Warranty