... , high quality 2. Aluminum Housing 3.Motor Power :0.75HP,1HP,1.5HP 4.One year warranty Center Pivot Irrigation gear motor ... . Ratio 30:1 , 40:1, 50:13.Motor Power : 0.75 HP, 1HP,1.5HP4.Voltage: 460V, 415V, 380VGearbox for center pivot irrigation system Worm shafts ... .cnSkype:zhanglinda55 Web: www.sl-gearbox.com/en/ Gear Motor/Box for Agriculture Irrigation System