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John Deere S120 vs John Deere S140
Verdict: John Deere S120 vs John Deere S140
The John Deere S120 and the John Deere S140 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 22 hp. John Deere S120 is the lighter machine (197 kg vs 217 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. 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
John Deere
71
Fit score
Best match
Clear
John Deere
71
Fit score
Best match
Clear
Rated power
22 hp
22 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
air-cooled vertical-shaft V-TwinReference
air-cooled vertical-shaft V-TwinReference
Engine
Fuel tank
9.1 LReference
9.1 LReference
Displacement
44.2 ciReference
44.2 ciReference
Bore/Stroke
79 x 73 mmReference
79 x 73 mmReference
Power
16.4 kWReference
16.4 kWReference
Air cleaner
dryReference
dryReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Sparkplug gap
0.762 mmReference
0.762 mmReference
Oil capacity
1.9 LReference
1.9 LReference
Oil change
sealed unit, owner service is not recommendedReference
sealed unit, owner service is not recommendedReference
Transmission
Transmission
Tuff Torq TL200Reference
Tuff Torq TL200Reference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
manualReference
electricReference
Dimensions
Weight
197 kgReference
217 kgReference
Front tire
15x6.00-6Reference
15x6.00-6Reference
Rear tire
20x8.00-8Reference
20x8.00-8Reference
Lawn/turf front
15x6.00-6Reference
15x6.00-6Reference
Lawn/turf rear
20x8.00-8Reference
20x8.00-8Reference
Length
174 cmReference
176 cmReference
Height
115 cmReference
115 cmReference
John Deere S120 attachments
S120 Serial Numbers
Location:
Serial number decal above the left rear tire, below the fender deck.Reference
Serial number decal above the left rear tire, below the fender deck.Reference
Electrical
Ground
negativeReference
negativeReference
Charging amps
8Reference
8Reference
Battery volts
12Reference
12Reference
Battery Group
U1Reference
U1Reference
Attachment overview
42" Mower deck
Type
belt-driven hydrostaticReference
belt-driven hydrostaticReference
Cutting width
106 cmReference
121 cmReference
Overall width
140 cmReference
154 cmReference
Cut height
2 to 10 cmReference
2 to 10 cmReference
Capacities
Tow capacity
197 kgReference
217 kgReference
John Deere S140 attachments
S140 Serial Numbers
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.