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Kubota GR2120 vs Kubota ZD221
Verdict: Kubota GR2120 vs Kubota ZD221
The Kubota GR2120 and the Kubota ZD221 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 21 hp. Kubota ZD221 is the lighter machine (124 kg vs 439 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota ZD221 holds more fuel (23.1 L vs 18.2 L) for longer stints between fills. Kubota GR2120 is the newer design (2010 vs 2008). 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
21 hp
21 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
Hydrostatic transmission with single foot pedal and standard cruise control.Reference
liquid-cooled horizontal-shaft inlineReference
Steering
hydrostatic power (Glide Steer)Reference
differential powerReference
Original price
—
$11,863 ( 54 )Reference
Engine
Fuel tank
18.2 LReference
23.1 LReference
Displacement
47.5 ciReference
47.5 ciReference
Bore/Stroke
67 x 74 mmReference
67 x 74 mmReference
Power (gross)
15.7 kWReference
15.7 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Rated RPM
—
3200Reference
Oil capacity
—
7.5 LReference
Coolant capacity
—
1.4 LReference
Transmission
Type
shaft-driven hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Dimensions
Wheelbase
128 cmReference
129 cmReference
Weight
439 kgReference
564 kgReference
Front tire
16x7.5-8Reference
13x5.0-6Reference
Rear tire
23x10.50-12Reference
23x10.5-12Reference
Lawn/turf front
16x7.5-8Reference
13x5.0-6Reference
Lawn/turf rear
23x10.50-12Reference
23x10.5-12Reference
Length
196 cmReference
213 cmReference
Height
129 cmReference
—
Front tread
82 cmReference
87 cmReference
Rear tread
80 cmReference
92 cmReference
Width
—
121 cmReference
Height (ROPS)
—
134 cmReference
Kubota GR2120 attachments
GR2120 Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Charging amps
—
14Reference
Charging volts
—
14Reference
Battery CCA
—
475Reference
Attachment overview
PTO & Hydraulics
Mid PTO
—
independentReference
Clutch
—
hydraulic wet discReference
Kubota ZD221 attachments
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.