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Inline Helical Gear Reducers

WINL Series Inline Helical Gear Reducers feature a HP range of ¼-100 HP, 37-147 mm box sizes, 2:1-120:1 speed ratios and a cast iron housing for unquestioned strength and reliability. Offered in a variety of NEMA C-face quill style motor input flange configurations, the WINL Series allows users to easily locate off-the-shelf NEMA motors in lieu of custom gear motors with special first pinion gears. WINL’s bolt hole pattern, base to center line height, output shaft diameter and usable shaft length match the “R” series of the inline market leader making plant retrofitting a breeze.

Product Features

  • 2:1 - 120:1 ratios (other ratios available as custom orders)
  • Box sizes 37 - 147
  • Built for high efficiency, high strength, and low noise
  • All cast iron housings for unquestioned strength and reliability
  • Wide range of ratios from 2:1 to 120:1
  • Horsepower range from 1/4 HP to 100 HP
  • Gears are precision ground for better rotation and quieter operation
  • Gearbox flanges are designed to accept NEMA C-Face electric motors
  • Drop-in for most major European-produced Inline reducer brands
  • 2-year warranty
Brochure WINL PDF Drawings Download Mechanical Ratings Chart Download 3-D Drawings Download 2-D Drawings Installation and Maintenance Manual Oil Fill Specifications and Requirements WINL Series - Service Class Ratings Table
Model Number
Box Size
Actual Ratio
Output RPM @ 1800 RPM Input
Input Power (HP)
Output Torque (lbs. in.)
OHL (lbs.)
NEMA Frame
Approx Wt. (lbs.)
Model Number
List Price
Model NumberBox SizeRatioActual RatioOutput RPM @ 1800 RPM InputInput Power (HP)Output Torque (lbs. in.)OHL (lbs.)NEMA FrameStagesApprox Wt. (lbs.)Model NumberList Price
WINL37-10/1-56C3710:110.021754.04136038856C231WINL37-10/1-56CPlease Call
WINL37-15/1-56C3715:115.751112.99158045156C231WINL37-15/1-56CPlease Call

For more General Purpose-Single-Phase Motors, see our Fractional Farm Duty Motors.

View Fractional Farm Duty Motors

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