PRODUCTS Driving Center Pivot Irrigation

755-UV-AD™ Gearbox

The most advanced gearbox of its class

The patented UMC® 755-UV-AD™ gearbox is designed for use on center pivots and lateral / linear irrigation systems. It is our most technologically advanced standard size gearbox with a 52:1 gear ratio and it is a direct replacement for the 740-UV™.

Part Number Ratio
10150-106AD 52:1

The patented UMC® 755-UV-AD™ gearbox features enhanced gear material that allows for increased load capacity, reduced gear wear and lower operating temperatures as well as an internal diaphragm that reduces internal pressure, enhances seal life and further reduces oil leaks.

  • 2.25″ diameter steel output shaft
  • 52:1 gear ratio with a 25˚ pressure angle and full recess action gear design
  • Cartridge input and output seals
  • Patented Vented Internal Diaphragm with large expansion cavity for near zero psi pressure accumulation which increases seal life and reduces oil leaks
  • Enhanced gear material that increases load capacity, reduces gear wear and lowers operating temperatures, extending gear life
  • Large input bearings
  • 13-Bolt mounting pattern
  • External seal protectors for input and output seals
  • Dual ended input shaft with hub cap for the unused end
  • Large 3/4″ oil fill and drain plugs for easier maintenance
  • 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.