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John Deere D120 vs John Deere LA120
Verdict: John Deere D120 vs John Deere LA120
The John Deere D120 and the John Deere LA120 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 21 hp. John Deere D120 is the lighter machine (204 kg vs 213 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere D120 is the newer design (2011 vs 2007). 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
21 hp
21 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
Automatic transmission with right-side accelerator and decelerator/reverse foot pedals. Left-side brake pedal. Cruise control is standard equipment.Reference
2-cylinderReference
Engine
Fuel tank
9.1 LReference
—
Displacement
33 ciReference
44.2 ciReference
Bore/Stroke
94 x 78 mmReference
75 x 73 mmReference
Power (gross)
15.7 kWReference
—
Air cleaner
cartridgeReference
paper and foam elementsReference
Starter
electricReference
—
Starter volts
12Reference
12Reference
Oil capacity
1.4 LReference
1.9 LReference
Sparkplug gap
0.762 mmReference
0.762 mmReference
Point gap
0.305 mmReference
—
Intake valve clearance
0.102 mmReference
—
Exhaust valve clearance
0.152 mmReference
—
Power
—
15.7 kWReference
Transmission
Transmission
Tuff Torq T40Reference
Tuff Torq T40Reference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Oil change
sealed unit, owner service is not recommendedReference
sealed unit, owner service is not recommendedReference
PTO & Hydraulics
Mid PTO
manual independentReference
manualReference
Dimensions
Wheelbase
124 cmReference
124 cmReference
Weight
204 kgReference
213 kgReference
Front tire
15x6.00-6Reference
15x6.00-6Reference
Rear tire
20x8.0-8Reference
20x10.00-8Reference
Lawn/turf front
15x6.00-6Reference
15x6.00-6Reference
Lawn/turf rear
20x8.0-8Reference
20x10.00-8Reference
Length
174 cmReference
174 cmReference
Height
113 cmReference
113 cmReference
Width
—
131 cmReference
John Deere D120 attachments
D120 Serial Numbers
Location:
Serial number on rear of tractor, left side, under fender.Reference
Serial number decal under the rear fender on the left side of the tractor.Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
9Reference
9Reference
Battery volts
12Reference
12Reference
Battery Group
U1Reference
—
Attachment overview
42" Mower deck
Type
belt-driven hydrostaticReference
belt-driven hydrostaticReference
Cutting width
106 cmReference
106 cmReference
Overall width
132 cmReference
—
Cut height
2 to 10 cmReference
—
Cut positions
13Reference
—
John Deere LA120 attachments
LA120 Serial Numbers
2007
—
010001Reference
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.