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FR3-S Series

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Fusion’s FR3 Series mixer drive is a rugged 3-stage and 4-stage helical/bevel drive built for large scale storage and process tanks. This series is intended for critical applications where reliability is crucial. Additionally, this offers a high torque option for applications where preference for gear drive side entry mixers over belt driven configurations. The RIGHT-ANGLE drive configuration provides an installation with reduced projection from the sidewall of the tank. The high strength housing combined with the high capacity bearings and gearings allow for precise shaft and gear alignment and quiet operation. Fusion’s FR3 series drive also includes a double lip seal with trash guard for superior protection against oil leaks and outside contaminates.

Key Features

  • 3 Stage or 4 Stage configurations for quiet and efficient operation
  • Modular design allows for various motor to gearbox connections including: Integral motor, NEMA-C and IEC adapters, Solid input shaft, scoop mount and motor mount platform. Customizable with almost any motor
  • Stainless Steel protective paint coating standard on gearbox – USDA/H1 compliant
  • Protective features and options for severe duty & washdowns environments
  • Optional oil-safe “virtual” and “true” dry well drive options.
  • Hollow output shaft configuration (Keyed, or collet chuck)
  • B5 or B14 output flange on gearbox for interchangeability between Falk, Sumitomo, SEW, NORD etc.
  • Optional Heavy-Duty Bearings and spread bearing/flange mount designs to provide increased load capacity and extended service life
  • Shipped from factory pre-filled with lubrication in accordance to specified reducer size. Synthetic lubrication standard with synthetic H1 FDA options available
  • Minimum 1.5 mechanical service factor on all gearing and bearings
  • Sealed tank configurations also available: Stuffing box (up to 150 PSI) and mechanical seals both single or double (300 PSI +)


  • Power: 10HP – 200HP
  • Solid Mixer Shaft Sizes: 2” – 6.5”
  • Speeds: 175 – 220 RPM
  • Torque range of 7,000lb-in to 442,500 lb-in
  • Gearing manufactured up to AGMA class 10+

How-To Videos