Kubota B2320

Parts Compatible with the Kubota B2320 Compact Tractor

The B2320 is the entry tractor in Kubota's B20 Series compact tractor lineup, produced from 2004 through 2007 alongside the B2620 (26 HP) and B2920 (29 HP) sister machines. The B20 Series sits between the BX sub compact and the larger B30 / B50 Series compact tractors in Kubota's historical compact tractor product lineage, positioned for the property owner who needed more capability than the BX Series sub compact offerings but a smaller frame than the Standard L Series compact tractors. The DT designation indicates 4WD gear drive, the DTWO is the 4WD gear drive without the operator station (a configuration specifically used in narrow track orchard / vineyard applications), and HSD is the 4WD hydrostatic transmission. The B2320 also was offered in a B2320DTN narrow configuration for orchard / vineyard work, with separate spec documentation from Kubota.

The B2320 / B2620 / B2920 trio shares the B20 Series chassis, with engine displacement and rated horsepower as the primary scale variables across the three machines. Many service parts cross between the three siblings because of the shared chassis. The B20 Series production has long ended (2007 was the final production year), so this page targets owners of older B20 Series tractors who are sourcing aftermarket replacement parts for ongoing service.

Common Replacement Parts for the Kubota B2320

Fuel system service is a meaningful order category for the B2320 because the older B20 Series tractors are now 18 to 20 years old in the field, with original fuel filter and fuel system components past their operational life. Fuel Filter 6A320-59930 is the water separator that fits the B2320 fuel system (the same water separator shared with the L2501 and other Kubota common rail Tier 4 era fuel system installations). Cold weather start service uses Glow Plug 16851-65510 with the alternate 1G679-65512 for later production B2320 units.

Cooling system service uses Thermostat 15321-73010 (the high cross fitment Kubota part shared across the entire compact and Super Mini engine family) and Water Pump 16251-73034 for the B2320 specific cooling water pump. Overflow Pipe 16261-42502 is a recurring B2320 service item on the cooling system overflow circuit. Engine internal hardware (Stud 16241-91490, Oil Gauge Plug 1G513-36550) covers routine top end work on the older B2320 production units.

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