Comparison : Item # I210-X-XR, I210 Series 1 Inch (in) Input Shaft Diameter and 1.25 Inch (in) Output Shaft Diameter Low Input Worm Gear Reducer Gearbox
Item # I210-X-XR-4HYD, I210 Series 4 Bolt Hydraulic Input and 1.25 Inch (in) Output Shaft Diameter Low Input Worm Gear Reducer Gearbox