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Kubota ZG123S vs Kubota ZG23
Verdict: Kubota ZG123S vs Kubota ZG23
The Kubota ZG123S and the Kubota ZG23 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 23 hp. Kubota ZG123S is the lighter machine (339 kg vs 499 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota ZG23 holds more fuel (23.1 L vs 16.3 L) for longer stints between fills. Kubota ZG123S is the newer design (2013 vs 2003). 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
23 hp
23 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
air-cooled vertical-shaft V-TwinReference
air-cooled horizontal-shaft V-TwinReference
Steering
differential powerReference
differential powerReference
Engine
Fuel tank
16.3 LReference
23.1 LReference
Displacement
44.2 ciReference
41.1 ciReference
Power (gross)
17.2 kWReference
17.2 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Bore/Stroke
—
81 x 67 mmReference
Air cleaner
—
foamReference
Compression
—
8.5:1Reference
Rated RPM
—
3200Reference
Torque
—
51.8 NmReference
Torque RPM
—
2200Reference
Oil capacity
—
7.5 LReference
Sparkplug
—
Champion 3071Reference
Transmission
Transmission
Hydro-Gear ZT3100Reference
—
Gears
infinite forward and reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
electricReference
—
Mid PTO Type
—
Kubota 10-toothReference
Dimensions
Wheelbase
115 cmReference
118 cmReference
Weight
339 kgReference
86 kgReference
Front tire
11x4-5Reference
13x5.0-6Reference
Rear tire
22x10-14Reference
23x10.5-12Reference
Lawn/turf front
11x4-5Reference
13x5.0-6Reference
Lawn/turf rear
22x10-14Reference
23x10.5-12Reference
Length
194 cmReference
195 cmReference
Width
120 cmReference
168 cmReference
Height (ROPS)
165 cmReference
177 cmReference
Front tread
79 cmReference
86 cmReference
Rear tread
95 cmReference
92 cmReference
Height (Folded ROPS)
—
131 cmReference
Kubota ZG123S attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
16Reference
—
Battery CCA
300Reference
285Reference
Battery volts
12Reference
12Reference
Battery Group
—
U1L-9Reference
48" Mower deck
Type
hydrostaticReference
hydrostaticReference
Cutting width
121 cmReference
137 cmReference
Overall width
155 cmReference
170 cmReference
Cut height
2 to 11 cmReference
2 to 12 cmReference
Kubota ZG23 attachments
54" 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.