Uniline and Versaline Speed Reducers

Ohio Gear Reducers and all original parts for Ohio Gear products can be located here. We can assist in the research of your previously built reducer for a replacement part on units manufactured as far back as 1945; or in the selection of a complete replacement unit. We maintain engineering drawings and serial numbers to manufacture or furnish parts on any stock or special units.

  • Repairs on all models
  • Extensive inventory of obsolete parts and units
  • Prints maintained on all units manufactured since 1945, including any customized parts

Reducer Models


D Series

Type: Worm
Ratio: 25:1 – 3150

Horsepower: 0.83 – 5
Assembly: A, B, C, D


DHH Series

Type: Helical
Ratio: 9:1 – 30:1

Horsepower: 3 – 6
Assembly: A, B, C, D


DOT-DOX Series

Type: Worm
Ratio: 4:1 – 1600:1

Horsepower: 0.25 – 0.25
Assembly: A, B, C, D

HH Series

Type: Helical
Ratio: 3:1 – 12:1

Horsepower: 2 – 20
Assembly: A, B, C, D


HH-0 Series

Type: Helical
Ratio: 2:0 – 25:1

Horsepower: 0.1 – 1.5
Assembly: A, B, C, D


RA Series

Type: Bevel
Ratio: 1:1 – 3:1

Horsepower: 1 – 40
Assembly: A, B, C, D, E, F


Uniline Series 2133 - 2525

Type: Worm
Ratio: 5/10/15/20/30:1 – 40/50/60/80/100:1

Horsepower: 0.82 – 30
Assembly: A, B, C


VOT Style

Type: Worm
Ratio: 4:1 – 1600:1

Horsepower: 0.25 – 0.25
Assembly: A, B, C, D