Fairbanks-Morse 100 HP Induction Motor 3-Phase 1180 RPM 220/440V Frame 505U Type

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Fairbanks-Morse 100 HP Induction Motor 3-Phase 1180 RPM 220/440V Frame 505U Type

Fairbanks-Morse 100 HP Industrial Induction Motor
Offered here is a heavy-duty Fairbanks-Morse induction motor, designed for continuous 24-hour industrial service. Built in Chicago, USA, this motor delivers rugged performance for high-torque, low-speed applications. Suitable for compressors, large fans, pumps, or any demanding 3-phase load requiring a durable, reliable drive system.
Motor Details:
Manufacturer: Fairbanks-Morse & Co., Chicago, Illinois

Model Series: Type KZK

Horsepower: 100 HP

Full Load Speed: 1180 RPM (6-pole motor)

Voltage: 220/440V dual-voltage rated

Full Load Current: 238A @ 220V / 119A @ 440V

Frequency: 60 Hz

Phase: 3-Phase AC

Service Factor: 1.15 (supports overload to 115 HP)

Duty Cycle: 24 hours continuous operation

Temperature Rise: 40°C rise (conservative thermal design)

NEMA Code: G (moderate starting kVA/HP)

NEMA Design: A (normal torque, high starting current)

Connection Type: Star (Wye) connected

Frame Size: 505U (large industrial frame)

Spec Number: T1456-1

Serial Number: F440387

Wiring Diagram: 9-lead configuration provided on nameplate (for both 220V and 440V connection)

Notes:
Heavy-duty construction for long-term reliability.

U-frame motor built for mid-20th century industrial standards.

Made in USA; very solid vintage industrial engineering.

LOCAL PICKUP OR FREIGHT – BUYERS CHOICE. WE WILL PACKAGE ON PALLET FOR CARRIER OF YOUR CHOOSING

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Weight	999 lbs
Dimensions	48.00 × 42.00 × 36.00 in
ACTUAL RATED INPUT VOLTAGE	460 V
INVERTER/VECTOR DUTY RATING	Not Inverter/Vector Duty Rated
BASE RPM	1180
MPN	T1456-1
INSULATION CLASS	B (Max 266°F)
CURRENT TYPE	AC
STARTING/LOCKED ROTOR TORQUE	Normal starting torque
NEMA FRAME SUFFIX	U
RATED/FULL-LOAD TORQUE	~445 lb-ft
FULL LOAD AMPS	238A @ 220V, 119A @ 440V
RATED LOAD (HP)	100
IEC FRAME SIZE	N/A (uses NEMA Frame 505U)
NEMA DESIGN LETTER	A
AC FREQUENCY RATING	60 Hz
ENCLOSURE TYPE	ODP (Open Drip-Proof)
SHAFT TYPE	Keyed
AC MOTOR TYPE	Induction/Asynchronous
SHAFT DIAMETER	3.375"
MOUNTING TYPE	Base-Mounted
Brand	Fairbanks Morse Engine
REVERSIBLE/NON-REVERSIBLE	Reversible
NOMINAL RATED INPUT VOLTAGE	220/440 V
MODEL	type K2K
AC PHASE	Three Phase
COUNTRY/REGION OF MANUFACTURE	United States
Condition	Used
Condition Description	*** 60 DAY MONEY BACK GUARANTEE *** Exterior is rusty yes but windings and bearings good.