MRO Field Guide

Baldor-Reliance RL1324A vs 5 HP 184T Air Compressor Motor: Which Industrial Motor Fits?

Compare the $275 Baldor-Reliance RL1324A 3/4 HP motor with the $455 5 HP 184T air compressor motor. See which single-phase industrial motor matches your frame, horsepower, and enclosure needs.

Last updated Aug 17, 2026

Choosing between these two industrial motors comes down to matching the motor to the machine. A motor that doesn't fit your equipment is just an expensive paperweight. The Baldor-Reliance RL1324A is a compact single-phase motor for lighter shop duty, while the larger air compressor motor is built for heavy service. This head-to-head compares horsepower, frame, and price so you can decide with confidence.

Quick Verdict

If your equipment needs a small, continuous-duty motor for lighter loads, the Baldor-Reliance is the practical pick. If you're powering a heavy air compressor and need serious output, the larger motor is the one that will fit and run. Match the motor's output and mounting size to your machine before anything else.

Comparison Table

FeatureBaldor-Reliance RL1324A5 HP 184T Air Compressor Motor
PriceUSD 275.00USD 455.00
Horsepower3/4 HP5 HP
PhaseSingle PhaseSingle Phase
Voltage115/230V208-230V
FrameNEMA 56184T
EnclosureOpenODTF
ConditionNew - Open boxNew

Where Each Product Wins

Baldor-Reliance RL1324A wins for lighter shop equipment and lower-voltage needs. It is the lower-priced option and lists continuous-duty operation.

The larger air compressor motor wins for compressor replacement work. It's listed as a direct replacement and comes with a two-year warranty.

Product Notes

Baldor-Reliance RL1324A Industrial Electric Motor

Baldor-Reliance RL1324A Industrial Electric Motor

The Baldor-Reliance RL1324A runs as a 3/4 HP single-phase motor on a NEMA 56 frame with an open enclosure. It works on 115/230V and turns at 1725 RPM, and the listing calls it continuous duty. That makes it well suited to small shop tools and light equipment that need steady, ongoing power. It is also the lower-priced motor of the two, which helps if you're watching spending. The downside is that the open enclosure and fractional-horsepower rating limit it to machines designed for that scale. If your setup requires a 5 HP motor or a 184T frame, you'll need to step up to the larger unit. For a 56-frame replacement, this motor aligns with the listed frame and duty rating.

1 Piece 5 HP Single Phase Industrial Air Compressor Electric Motor 184T Frame

1 Piece 5 HP Single Phase Industrial Air Compressor Electric Motor 184T Frame

This 5 HP motor uses a 184T frame and an ODTF enclosure, with a single-phase 208-230V design that draws 28.5-27.0 amps. The listing describes it as a direct replacement for air compressor motors and includes a two-year warranty. That combination makes it the stronger candidate when you're repairing a compressor and want a motor built for that job. The trade-off is that it costs more and needs a 208-230V electrical supply and a 184T mount. If your compressor pump expects a 5 HP motor, this is the one that fits. If your machine is smaller, the Baldor is likely a better match. The two-year warranty is a nice layer of protection for a hard-working compressor motor.

Final Choice by Use Case

Choose the Baldor-Reliance when you're running light, steady loads and want the more compact option. Choose the larger motor when you're replacing a compressor motor and your electrical service can handle its voltage. Match the motor to the load, and you'll get the performance you need without overpaying. Let the machine's requirements guide the decision.

Products in this article
Baldor-Reliance RL1324A Industrial Electric MotorUSD 275.00View on eBay1 Piece 5 HP Single Phase Industrial Air Compressor Electric Motor 184T FrameUSD 455.00View on eBay
Baldor-Reliance RL1324A Industrial Electric MotorUSD 275.00View on eBay1 Piece 5 HP Single Phase Industrial Air Compressor Electric Motor 184T FrameUSD 455.00View on eBay

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