Speed increaser ideal for centrifugal pump applications

Speed Increaser: Model D257

Features include a fabricated steel housing, various input and output shaft configurations, including straight shaft with key or bell housing, input shaft to match appropriate clutch system, and with engine rotation. For a similar design mounted vertically, see Model D253.

Typical Applications

Centrifugal Pumps


  • Ratios:1 : 1 through 1 : 3.25
  • Rotation:Engine
  • Max Horsepower:650 HP
  • Center Distance:11.5″
  • Overall Size:28″ H x 32.5″ W (Depth Varies)
  • Weight:1,350 lbs approx.

Related Images

Speed increaser used in blower application

Blower Application