Kubota R320

Parts Compatible with the Kubota R320 Compact Wheel Loader

The R320 is the small frame entry in Kubota's legacy 20 Series wheel loader lineup, positioned below the R420 / R520 / R520S in horsepower, lift capacity, and operating weight. The smaller frame makes the R320 well suited to landscape contractor operations on residential properties, smaller farm and ranch yard work, snow removal in tight residential and parking lot work, and any application where a full size compact wheel loader is too large to maneuver. The R320 base machine is the open station ROPS canopy configuration, with the R320S spec variant adding incremental improvements. The transition to the current R30 Series did not produce a direct successor at the R320 size class — Kubota repositioned the smaller end of the lineup with the R430 (essentially replacing R420), leaving the R320 production run as the last truly small frame Kubota wheel loader option.

The R320 shares many service parts with the larger R420 / R520 because Kubota built the entire 20 Series on a shared component platform, with the R320 simply scaled down on engine displacement, hydraulic capacity, and overall machine size. Engine and fuel system service parts cross between R320 and R420 because both machines run engines from the same Kubota family.

Common Replacement Parts for the Kubota R320

Engine Oil Filter W21ESO1600, the alternate revision W21ES01600, 1627132090, and 16271-32092 cover the spin on lube filter cross references for the R320, the same EOF family used on the smaller D1105 / V1505 engines and across the U35 mini excavator chassis. Hydraulic Oil Filter 6813162132 covers the hydraulic system service, the same high cross fitment Kubota part used across the entire R Series wheel loader lineup, the SVL CTL line, the SSV skid steer line, and the KX mini excavator line.

Cold weather start service uses Glow Plug 16851-65510 for the engine glow plug bank. Engine internal hardware (Stud 16241-91490, Oil Gauge Plug 1G513-36550) covers routine top end work. Fleet operators running an R320 frequently also run smaller compact equipment from other Kubota lines (mini excavators, compact tractors, mowers), and the shared lube filter family across these compact platforms keeps parts stocking simpler.

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