Gearless DC Machines

Gearless DC Machines


Quiet Operation, heavy-duty construction, and extreme reliability have confirmed the Imperial Electric Gearless DC Machines to be a favorite in the industry. Our Frame 590 series features precise acceleration, deceleration, and contract speed control. With low noise and cooler operations, this highly efficient unit is also eco-friendly, with no oil lubricant needed. This series is UL/CSA CUS Certified and is a direct drive DC gearless replacement. Models available: 591, 593, 596, 598.


  • 50,000 lbs. sheave shaft load, 25,000 lbs. suspended load  
  • 1:1 or 2:1 roping  
  • U-groove for double wrap traction or V-groove for single wrap traction  
  • Up to 3/4-inch rope diameter  
  • 1000 fpm (5 m/s) for up to 4,500 lbs. (2,036 kg) car capacity for 1:1 roped applications  
  • 500 fpm (2.5 m/s) for up to 8,500 lbs. (3,864 kg) car capacity for 2:1 roped applications  
  •  26-, 30- and 33-inch drive sheave 


  • Modernization 
  • 1:1 or 2:1 roped installations 
  • High rise or heavy load 
  • Overhead, Basement and Sidepull applications 

Frame 590 Series Basic Ratings


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Product Literature & Resources

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