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Kubota ZD21 vs Kubota ZD221
Verdict: Kubota ZD21 vs Kubota ZD221
The Kubota ZD21 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 631 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota ZD21 holds more fuel (29.9 L vs 23.1 L) for longer stints between fills. Kubota ZD221 is the newer design (2008 vs 2001). 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
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Overview
Manufacturer
KubotaReference
KubotaReference
liquid-cooledReference
liquid-cooled horizontal-shaft inlineReference
Steering
differential powerReference
differential powerReference
Original price
—
$11,863 ( 54 )Reference
Engine
Fuel tank
29.9 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
Rated RPM
3200Reference
3200Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
—
7.5 LReference
Coolant capacity
—
1.4 LReference
Transmission
Gears
infinite forward and reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
—
hydraulic wet discReference
Dimensions
Wheelbase
124 cmReference
129 cmReference
Weight
631 kgReference
564 kgReference
Front tire
15x6.0-6Reference
13x5.0-6Reference
Rear tire
24x12-12Reference
23x10.5-12Reference
Lawn/turf front
15x6.0-6Reference
13x5.0-6Reference
Lawn/turf rear
24x12-12Reference
23x10.5-12Reference
Length
203 cmReference
213 cmReference
Width
145 cmReference
121 cmReference
Height (steering wheel)
115 cmReference
—
Height (ROPS)
191 cmReference
134 cmReference
Front tread
97 cmReference
87 cmReference
Rear tread
107 cmReference
92 cmReference
Kubota ZD21 attachments
Electrical
Ground
negativeReference
negativeReference
Battery CCA
450Reference
475Reference
Battery volts
12Reference
12Reference
Charging amps
—
14Reference
Charging volts
—
14Reference
60" Mower deck
Type
hydrostaticReference
hydrostaticReference
Cutting width
152 cmReference
—
Overall width
187 cmReference
—
Cut height
2 to 12 cmReference
—
Kubota ZD221 attachments
Attachment overview
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.