Evap Cooler (Swamp Cooler) 3 Spd/1075 RPM Direct Drive Blower Motor, 2151, 24585

Direct Drive Blower Motor | 1/3 HP • 3‑Speed • 1075 RPM | Model 2151, 24585

Brand new Direct Drive Blower Motor (2151, 24585) engineered for evaporative coolers, direct‑drive blowers, and compatible HVAC applications. This 1/3 HP, 3‑speed PSC motor delivers strong, reliable airflow with durable open‑air construction and high‑temperature performance.

Rated at 115V, 5.0A, and 1075 RPM, requiring a 5 μF / 370V capacitor. Built with a NEMA 48 frame, reversible rotation, and Class B insulation for long service life in demanding environments.

Premium Construction Features

• Precision Ball Bearings — long‑lasting, maintenance‑free operation
• Heavy‑Gauge Rolled Steel Shell — prevents deformation and protects stator
• 100% Copper Windings — lower operating temperatures and extended motor life
• High Service Factor (>1.0) — tolerates momentary overload conditions
• Open Air Over (OAO) Enclosure — optimized cooling for high‑heat environments

Specifications

• Horsepower: 1/3 HP
• Voltage: 115V
• RPM: 1075
• Speeds: 3‑Speed
• Amperage: 5.0A
• Required Capacitor: 5 μF / 370V
• Frequency: 60Hz
• Phase: 1PH
• Rotation: Reversible
• Motor Type: PSC
• Enclosure: OAO (Open Air Over)
• NEMA Frame Size: 48
• Insulation Class: B
• Ambient Rating: 60°C / 140°F
• Motor Diameter: 5.6"
• Shaft Diameter: 0.50"
• Shaft Length: 4.45"
• Motor Body Length: 4.47"
• Lead Length: 36"

What This Motor Does

• Drives blower wheels for strong, consistent airflow
• Supports multi‑speed cooling performance
• Restores proper air delivery in evaporative coolers
• Improves cooling efficiency and system reliability

⚠️ Symptoms of a Failing Motor

• No airflow or blower not running
• Weak airflow on one or more speeds
• Motor overheating or shutting off
• Grinding, humming, or buzzing noises
• Shaft not spinning freely or seized

Installation Notes

• Disconnect power before servicing
• Verify rotation direction before mounting
• Use correct 5 μF / 370V capacitor
• Align shaft with blower wheel and tighten set screw
• Ensure motor mounts securely to prevent vibration

Replaces Part Numbers

Diversitech WG840585
Mars 10585
JARD by Mars 22585
Packard 43585
Economaster EM3585
Century / AO Smith DL1036
Smart Electric SE3585
US Motors / Emerson 1864
Marathon X002
FASCO D727
2151

Restore strong, reliable airflow with this OEM‑compatible 2151, 24585 1/3 HP 3‑speed direct drive blower motor.