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Kubota R Series compact wheel loaders, including the legacy 20 Series machines and the current 30 Series machines.
Use filters or search by OEM part number to find the right part. Compatibility details are listed on each product page.
Kubota's wheel loader lineup is the R Series, a family of compact articulated wheel loaders aimed at landscaping, snow removal, agricultural yard work, and light construction. The 20 Series, which includes the R320 / R420 / R420S / R520 / R520S, was Kubota's wheel loader lineup for over a decade and is the most common machine in the field today. These earlier units came with open station ROPS as the standard configuration, with optional canopy and basic enclosed cabs available depending on year and region. The transition to the current 30 Series (R430, R510, R520 (current generation, distinct from legacy R520), R530, R540, R630, R640) brought a wider range of models, true climate controlled cabs as a standard option, and revised hydraulic flow on the larger R530 / R630 / R640 models.
Within the 20 Series, the S suffix on R420S and R520S indicates a spec / region variant of the same base machine. Many service parts that fit a base R420 also fit a R420S because both share the same engine, hydraulic pump, and chassis. Across the 20 to 30 Series transition, the engine families changed (newer Tier 4 emissions and higher displacement on the 30 Series larger machines), so engine specific filters and fuel system parts do not always cross between a 20 Series and a 30 Series machine of similar nominal size. Cab parts and hydraulic filters that are chassis specific are a frequent source of mis order on these machines, so verify the model designation and serial number on the data plate inside the cab door before placing the order.
Cab air filter T0270-67060 fits the cab equipped variants of the 20 Series wheel loaders and crosses to the KX040-4 and KX057-4 mini excavators because the cab is shared. Engine oil filters W21ESO1600, 16271-32090, and 16271-32092 cover the 05 Series Kubota engines (V1505, V2003, V2403) used across the R320, R420, and R520. Primary fuel filter cartridge RD819-51280 is common in the cooling and fuel paths on these machines, with later production units using the water separator HHV00-51920. Outer canister air filter 70000-11081 is a common air filter replacement on R Series wheel loaders.
Hydraulic spin on filter 6813162132 is a high cross fitment Kubota part used on R Series wheel loaders, KX mini excavators, SVL compact track loaders, and SSV skid steer loaders, which is why a single hydraulic filter order frequently spans multiple Kubota machine categories. The R420 and R520 use the same hydraulic system architecture as the U Series and KX Series excavators, which keeps fluid system service parts well consolidated. Cab cab door glass and cab heater core service is less commonly ordered on these machines because the open canopy ROPS configuration was more popular than the cab in the 20 Series production run. The 30 Series cabs introduced larger glass panels and AC service, which will become a higher demand category as those units age into their first parts replacement cycle.
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