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Kubota Z122R vs Kubota Z231BR
Verdict: Kubota Z122R vs Kubota Z231BR
The Kubota Z122R and the Kubota Z231BR are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 22 hp. Kubota Z122R is the lighter machine (281 kg vs 334 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota Z231BR holds more fuel (16.3 L vs 13.6 L) for longer stints between fills. Kubota Z231BR is the newer design (2019 vs 2015). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Kubota
71
Fit score
Best match
Clear
Kubota
71
Fit score
Best match
Clear
Rated power
22 hp
22 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
air-cooled V-TwinReference
air-cooled vertical-shaft V-TwinReference
Steering
differential powerReference
—
Engine
Fuel tank
13.6 LReference
16.3 LReference
Displacement
44.3 ciReference
44.2 ciReference
Power (gross)
16.0 kWReference
—
Rated RPM
3600Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Bore/Stroke
—
79 x 73 mmReference
Power
—
16.4 kWReference
Oil capacity
—
2.3 LReference
Transmission
Transmission
ZT2200Reference
Hydro-Gear ZT3100Reference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
electric dry discReference
electricReference
Dimensions
Wheelbase
123 cmReference
115 cmReference
Weight
281 kgReference
334 kgReference
Front tire
11x4-5Reference
11x4-5Reference
Rear tire
18x7.5-14Reference
22x10-14Reference
Lawn/turf front
11x4-5Reference
11x4-5Reference
Lawn/turf rear
18x7.5-14Reference
22x10-14Reference
Length
188 cmReference
194 cmReference
Width
107 cmReference
120 cmReference
Height (ROPS)
165 cmReference
165 cmReference
Front tread
61 cmReference
79 cmReference
Rear tread
88 cmReference
95 cmReference
Kubota Z122R attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
15Reference
16Reference
Battery CCA
300Reference
300Reference
Battery volts
12Reference
12Reference
42" Mower deck
Type
hydrostaticReference
belt-driven hydrostaticReference
Cutting width
106 cmReference
121 cmReference
Overall width
139 cmReference
155 cmReference
Cut height
3 to 10 cmReference
3 to 10 cmReference
Kubota Z231BR attachments
48" Mower deck
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.