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PowerSTAR Product Family Adds Two New Frame Sizes 10/01/2013

Bison Gear and Engineering continues to develop the PowerSTAR® product line, their high efficient, right-angle hypoid gear family of gearmotors.

This month, Bison introduces the new 720 and 730 motor frame sizes to go along with the 725 series already launched last year. All series are available in 115V single phase, 115/230V dual voltage/dual frequency, and 230V 3-phase inverter duty motor options. The 725 and 730 series are also available in a 230/400-460V 3 phase motor option. Like the 725 series, each PowerSTAR size features 13 standard gear ratios with custom ratios available upon request to meet a multitude of customer-specific applications. From chip conveying on industrial hobbing and milling machines to material handling packaging conveyors, the 720, 725 and 730 series PowerSTAR gearmotors are designed to improve efficiency and performance over traditional worm gear and older technology currently in the market.

As with the 725 PowerSTAR series, the 720 and 730 PowerSTAR gearmotors are equipped with several advantages over the competing technology:

  • Advanced hypoid gear technology offers improved energy efficiency
  • Maximum power density means a compact profile without compromising performance
  • Exclusive PowerSTAR® EP lubricant for extended life
  • Ground gearing provides whisper quiet operation and low backlash precision
  • Torque Ranges from 35-1730 in-lbs
  • HP Range 1/15 – 1/3
  • Versatile mounting interchangeability allows easy upgrade of installed drives
  • IP-54 standard configuration


The PowerSTAR 720 and 730 series are available to order now. For more information on PowerSTAR or other problem-solving Bison Gear and Engineering products, please visit our newly designed website at www.bisongear.com.

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