Kubota BX23S front axle oil
Does this guide match your machine?
K2892-7121-3 operator manual, original BX23S. North American fluid guidance; normal mineral-diesel schedule. Biodiesel and severe conditions need additional or shorter intervals.
Check the manual and machine versionApproximate capacity in the cited source
3.6 liters
Kubota SUPER UDT-2 or SAE 80–90 gear oil
Separate axle fill; check level after filling.
Source: BX23S / LA340 / BT603 operator manual K2892-7121-3 · p. 115When is it serviced?
Change front-axle oil
Open complete maintenance scheduleEvery 400 hours
Source: BX23S / LA340 / BT603 operator manual K2892-7121-3 · pp. 113–114