The Kubota 3J07013800 is a genuine OEM main shaft 4th gear, an essential component for the transmission system of various Kubota B and L Series tractors. This precision-engineered gear ensures smooth power transfer and reliable operation, maintaining the integrity of your machinery's drivetrain. Manufactured to Kubota's stringent specifications, it guarantees optimal fit and performance. Compatible with models including B2650HSD, B2650HSDC, B3350HSD, B3350HSDC, B3350SUHSD, L3560HST, L3560HSTC, L4060HST, L4060HSTC, L4760HST, L4760HSTC, L5060HST, L5060HSTC, L6060HST, and L6060HSTC.