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John Deere 320 vs John Deere X166R

Verdict: John Deere 320 vs John Deere X166R

The John Deere 320 and the John Deere X166R are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. John Deere X166R is the lighter machine (229 kg vs 283 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 320 holds more fuel (11.4 L vs 7.6 L) for longer stints between fills. John Deere X166R is the newer design (2018 vs 1991). 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 320 Lawn Tractor
John Deere
71
Fit score
Best match
Clear
John Deere X166R Lawn Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooled vertical-shaft V-TwinReference
air-cooled vertical-shaft V-TwinReference
Engine
Fuel tank
11.4 LReference
7.6 LReference
Displacement
35.7 ciReference
40 ciReference
Bore/Stroke
74 x 68 mmReference
75 x 73 mmReference
Power (gross)
13.4 kWReference
Air cleaner
foam precleaner with paper filterReference
Rated RPM
3400Reference
Starter volts
12Reference
12Reference
Oil capacity
2.5 LReference
1.9 LReference
Coolant capacity
3.1 LReference
Power
13.4 kWReference
Starter
electricReference
Transmission
Transmission
Sundstrand BDU-21Reference
Tuff Torq K46Reference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
PTO & Hydraulics
Type
belt-driven hydrostaticReference
belt-driven hydrostaticReference
Front PTO
independentReference
Mid PTO
independentReference
Clutch
electricReference
Dimensions
Wheelbase
121 cmReference
122 cmReference
Weight
283 kgReference
229 kgReference
Front tire
16x6.50-8Reference
15x6.00-6Reference
Rear tire
23x10.50-12Reference
18x8.5-8Reference
Lawn/turf front
16x6.50-8Reference
15x6.00-6Reference
Lawn/turf rear
23x10.50-12Reference
18x8.5-8Reference
Length
181 cmReference
252 cmReference
Width
99 cmReference
Height
110 cmReference
114 cmReference
John Deere 320 attachments
320 Serial Numbers
1992
M00320X130001Reference
1993
M00320X150001Reference
1994
M00320X160001Reference
Location:
Serial number decal on the rear of the 320, above the drawbar.Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
Charging amps
17Reference
9Reference
Battery volts
12Reference
12Reference
Battery Group
U1Reference
Attachment overview
48" Mower deck
Cutting width
121 cmReference
106 cmReference
Variants
X166
side dischargeReference
X166R
integral rear collectorReference
John Deere X166R attachments
42" Mower deck
Overall width
110 cmReference
Cut height
2 to 10 cmReference

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.

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