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Marathon X509 Replacement

The Marathon X509 is a 2 HP, 1140 RPM three-phase open-air-over (OAO) condenser fan / heat pump motor (56Y frame, belly-band mount). Below: the specs we verify before quoting, and what to check on your nameplate.

Verified specifications

Horsepower2 HP
Speed1140 RPM (6-pole)
Voltage208-230/460V (VCD voltage-change device)
PhaseThree-phase
Frequency60/50 Hz
Frame56Y
EnclosureOpen Air Over (OAO)
Full-load amps7.2-6.8/3.4 A
MountingRound belly band / resilient ring
Shaft5/8 in. dia. x 5 in. long, with flat and keyway
BearingsDouble-sealed ball bearings
RotationReversible
Thermal protectionAutomatic reset thermal protector
Max ambient70°C
Marathon model number056T11O5304
Weight49 lb (catalog)
CertificationsUL Recognized, CSA Certified

Open-air-over (OAO) motors are cooled by the fan's own airstream — the X509 must be mounted in the airstream to run at rated load.

Confirming the right replacement

Before we quote, compare these fields on your failed motor's nameplate. If any of them differ, send us a photo of the nameplate and we'll match it exactly rather than guessing:

Other Marathon models

Need a Marathon X509?

Send the nameplate off your failed unit. We'll confirm the match and quote the X509 or a verified equivalent with availability and lead time.

Quote this motor