PRODUCTS Driving Center Pivot Irrigation

740-U-AD™ Gearbox

The highest performance standard gearbox in the industry

The UMC® 740-U-AD™ gearbox is purpose-built for higher performance and longer life. It’s a work-alike to the 740-U™ gearbox with enhanced gear material that allows for significantly increased load capacity and gear life. Based on UMC’s testing, the 740-U-AD™ has the highest load capacity and longest gear life of any gearbox in its class. This is the ideal gearbox for anyone looking for a gearbox built to last longer and handle more.

Part Number Ratio
10141-105VD 50:1

The UMC® 740-U-AD™ gearbox features a 50:1 gear ratio, a 2.25″ diameter output shaft, large input bearings, cartridge seals and enhanced gear material that allows for increased load capacity, reduced gear wear and lower operating temperatures.

Features and Benefits

  • 2.25″ diameter steel output shaft
  • 50:1 gear ratio
  • Cartridge input and output seals
  • Large input bearings
  • Enhanced gear material that increases load capacity, reduces gear wear and lowers operating temperatures, extending gear life
  • Full cycle external expansion chamber with stainless steel cover
  • 13-Bolt mounting pattern
  • External seal protectors for input and output seals
  • Dual ended input shaft with hub cap for the unused end
  • Top oil fill plug
  • Filled with extreme pressure gear oil
  • Extra long carriage bolts allow use with reinforced rims
  • Positive wheel register
  • This gearbox features UMC’s registered Four-Rib Design® trademark

UMC® manufactures a wide range of gearboxes to satisfy any application for your pivot or lateral move system. We do not believe in a “one size fits all” solution. Get the gearbox that is tailored to your specific application. If you need assistance choosing the appropriate gearbox contact us today!

Gearboxes with UMC’s registered Four-Rib Design® trademark are a distinct design feature signaling a genuine UMC irrigation product. Learn other ways to identify genuine UMC Irrigation hardware, at www.umcproducts.com/genuine.