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The "Original" Shaft Mount Reducer

We modeled our “Original” SMR after the popular TXT reducer series. The “Original” mounts directly to the driven shaft and is available in stock with supporting accessories that allow it to perform in a variety of environments and applications. This shaft mount reducer, available in output bore sizes ranging from 1-15/16” to 5-7/16” in both 15:1 and 25:1 ratios, includes a torque arm and a 2-year warranty.

Product Features

  • 15:1 and 25:1 ratios
  • Box sizes 2-10
  • Tapered bushing type (bushing not included)
  • Premium quality ball and tapered bearings - double lip seals
  • Shafts and gears manufactured from high grade steel, case hardened and precision ground to AGMA standards
  • Industrial grade all-cast iron housings protect gearing for life
  • Extended gear centers and tooth contact
  • Metal reinforced double lip, spring loaded oil seals
  • Dimensional drop-in for all major makes
  • Torque arm included
  • 2-year warranty
Download Mechanical Ratings Chart Download 3-D Drawings Download 2-D Drawings Lubrication Schedule Replacement Parts Installation & Maintenance Manual
Model Number
Box Size
Output Bore (Max.)
Approx Wt. (lbs.)
List Price
Model NumberBox SizeRatioOutput Bore (Max.)Approx Wt. (lbs.)SpecificationsAvailabilityList Price
SMR2-15/1215:11 15/16"58SpecificationsIn Stock$1,007.78
SMR2-25/1225:11 15/16"58SpecificationsIn Stock$1,007.78
SMR3-15/1315:12 3/16"98SpecificationsIn Stock$1,790.06
SMR3-25/1325:12 3/16"98SpecificationsIn Stock$1,790.06
SMR4-15/1415:12 7/16"139SpecificationsIn Stock$2,421.15

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

View Fractional Farm Duty Motors