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Home > Electric Motors > Discontinued Electric Motors > MARATHON Discontinued AC Motors > 150HP MARATHON 1800RPM 444T 575V DP 3PH MOTOR U911

150HP MARATHON 1800RPM 444T 575V DP 3PH MOTOR U911

Catalog Number:  U911
Model Number: 444TTDS4069
Description:  150HP,1800RPM,444T,575V,DP,3PH,60HZ
Ship Weight:  1321 lbs.

This Marathon motor is a Build To Order product and factory lead times are approximately 3-8 weeks after receipt of order. For exact lead times or other interchangeable products please contact our sales team for particulars.

This Marathon Motor Can Only Ship Ground Freight
For expedited needs please contact our sales team.

This product must be installed and serviced by a qualified technician, electrician, or electrical maintenance person familiar with its operation and the hazards involved. Proper installation, which includes electrical connections, fusing or other current protection, and grounding, can reduce the chance of electrical shocks, and fires, in this product or products used with this product, such as electric motors, switches, coils, solenoids, and relays. Do not use this product in an explosion-proof application.

APPLICATIONS: General purpose with continuous duty rating. Standard operating characteristics and mechanical construction for use under usual service conditions without restriction to a particular application or type. Not for outdoor use.


  • Cast Iron frame
  • Rigid base
  • Dripproof
  • No thermal protection
  • Ball bearings
  • 3 3/8" shaft diameter
  • 1.15 Service Factor
  • Accepts C-face kit catalog number A228
  • Efficiency levels meet EISA requirements
  • UL Recognized and CSA Certified

Phase 3 Insulation Class B
Frame 444T Duty CONTINUOUS
Enclosure DP Ambient 40
Mounting Rigid NEMA Design B
Orientation HORIZONTAL Starting Type ACROSS THE LINE
Assembly F1 (F2 Modification Available) KVA Code G
Drive End Bearing BALL IP Code 12
Opposite End Bearing BALL    
Drive End Bearing Size 6318    
Opposite End Bearing Size 6316    
Weight 1321 LB lbs    
UL Recognized Construction
Thermal Protection  
150HP MARATHON 1800RPM 444T 575V DP 3PH MOTOR U911
Click Image to Enlarge
Image for quick reference only
Manufacturer Part Number: U911
Stock # U911

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