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Kubota Z421 vs Kubota Z724
Verdict: Kubota Z421 vs Kubota Z724
The Kubota Z421 and the Kubota Z724 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 24 hp. Kubota Z421 is the lighter machine (394 kg vs 536 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota Z724 holds more fuel (43.9 L vs 25.7 L) for longer stints between fills. Kubota Z421 is the newer design (2017 vs 2014). 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
24 hp
24 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
air-cooled vertical-shaft V-TwinReference
air-cooled vertical-shaft V-TwinReference
Original price
—
$8,999 (2021 )Reference
Variants
Z421
standardReference
—
Z422
deluxeReference
—
Engine
Fuel tank
25.7 LReference
43.9 LReference
Displacement
44.3 ciReference
42 ciReference
Bore/Stroke
78 x 76 mmReference
83 x 69 mmReference
Power (gross)
17.9 kWReference
17.5 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel system
—
carburetorReference
Rated RPM
—
3600Reference
Oil capacity
—
3.3 LReference
Transmission
Transmission
Hydro-Gear ZT3600Reference
Parker Torqpact GT14Reference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
electricReference
electric dry discReference
Dimensions
Wheelbase
125 cmReference
129 cmReference
Weight
74 kgReference
536 kgReference
Front tire
13x5-6Reference
13x5.0-6Reference
Rear tire
24x9.5-14Reference
24x9.5-12Reference
Lawn/turf front
13x5-6Reference
13x5.0-6Reference
Lawn/turf rear
24x9.5-14Reference
24x9.5-12Reference
Length
205 cmReference
213 cmReference
Width
123 cmReference
128 cmReference
Height (ROPS)
177 cmReference
177 cmReference
Height (Folded ROPS)
126 cmReference
122 cmReference
Front tread
94 cmReference
95 cmReference
Rear tread
100 cmReference
102 cmReference
Max Drawbar
34 kgReference
—
Max front axle
107 kgReference
—
Max rear axle
545 kgReference
—
Kubota Z421 attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
15Reference
15Reference
Battery CCA
300Reference
300Reference
Battery volts
12Reference
12Reference
54" Mower deck
Type
belt-driven hydrostaticReference
hydrostaticReference
Cutting width
137 cmReference
137 cmReference
Overall width
170 cmReference
170 cmReference
Cut height
3 to 12 cmReference
2 to 12 cmReference
Capacities
Max capacity
653 kgReference
—
Tow capacity
113 kgReference
—
Kubota Z724 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.