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John Deere 20C vs John Deere AR Unstyled

Verdict: John Deere 20C vs John Deere AR Unstyled

The John Deere 20C and the John Deere AR Unstyled are both tractors — here is how they stack up on the figures that matter. John Deere 20C leads on rated power with 19 hp against 18 hp. John Deere 20C is the lighter machine (889 kg vs 2,154 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 20C is the newer design (2009 vs 1935). In short: choose the John Deere 20C for outright pulling power, or the John Deere AR Unstyled if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
John Deere 20C Tractor
John Deere
71
Fit score
Best match
Clear
John Deere AR Unstyled Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
19 hp
18 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Four gears in two ranges with reverser.Reference
Gear 1 used for pull test.Reference
AR Total built
17,394Reference
AO Total built
2,686Reference
Engine
Fuel tank
18.2 LReference
Engine (gross)
13.8 kWReference
Engine (net)
12.5 kWReference
Displacement
0.9 LReference
5.3 LReference
Bore/Stroke
70 x 74 mmReference
140 x 171 mmReference
Rated Power (net)
12.5 kWReference
Rated Power (gross)
13.8 kWReference
Rated RPM
2800Reference
975Reference
Torque
49.8 NmReference
Torque RPM
1800Reference
Starter type
electricReference
Drawbar (claimed)
13.4 kWReference
Belt (claimed)
17.9 kWReference
Plows
2Reference
Drawbar (tested)
19.8 kWReference
Belt (tested)
22.6 kWReference
Cooling system
thermo-siphonReference
Air cleaner
oil bathReference
Compression
4.45:1Reference
Firing order
1-2Reference
Oil capacity
10.4 LReference
Coolant capacity
30.3 LReference
Sparkplug gap
0.762 mmReference
Belt power (max)
22.6 kWReference
Max power
19.8 kWReference
Transmission
Type
mechanical shuttleReference
unsynchronized gearReference
Gears
8 forward and reverseReference
4 forward and 1 reverseReference
Transmission
John DeereReference
Clutch
dry discReference
PTO & Hydraulics
PTO (claimed)
8.9 kWReference
Pressure
150.0 barReference
Pump flow
14.0 lpmReference
33.7 lpmReference
Rear Type
INReference
Rear lift (at 24"/610mm)
249 kgReference
Rear PTO Type
540/1000Reference
540Reference
Hydraulic system
7.9 LReference
Capacity
7.9 LReference
Valves
1Reference
Rear PTO
transmissionReference
Dimensions
Weight
889 kgReference
2154 kgReference
Front tire
6.5/80x12Reference
28x6Reference
Rear tire
8.25x16Reference
42.75x10Reference
Ag front
6.5/80x12Reference
6.00-16Reference
Ag rear
250x80-16Reference
12-26Reference
Lawn/turf front
20x8-10Reference
Lawn/turf rear
27x10.5-15Reference
Industrial front
25x5.5-14Reference
Industrial rear
15-19.5Reference
Length
245 cmReference
314 cmReference
Width
103 cmReference
162 cmReference
Height (ROPS)
138 cmReference
Ground clearance
24 cmReference
Max front axle
600 kgReference
Max rear axle
800 kgReference
Height (hood)
139 cmReference
Operating weight
2154 kgReference
Ballasted weight
2880 kgReference
Rear axle
69 mmReference
Front tread
121 cmReference
Rear tread
131 cmReference
Capacities
Max capacity
1399 kgReference
Fuel
60.6 LReference
Aux. fuel
3.8 LReference
Diameter
32 cmReference
RPM
975Reference
Speed
996.70 meters/minReference
Variants
A
Row-cropReference
AR
Standard front axleReference
AO
OrchardReference
AOS
narrow orchardReference
AW
Adjustable wide-frontReference
AN
Single front wheelReference
AH
High-cropReference
AR Serial Number Location
AR Serial Numbers
1935
250000 (Unstyled)Reference
1936
251486 (Unstyled)Reference
1937
253521 (Unstyled)Reference
1938
255416 (Unstyled)Reference
1939
256700 (Unstyled)Reference
1940
257647 (Unstyled)Reference
1941
260000 (Unstyled)Reference
1942
261125 (Unstyled)Reference
1943
262157 (Unstyled)Reference
1944
262755 (Unstyled)Reference
1945
264198 (Unstyled)Reference
1946
265535 (Unstyled)Reference
1947
266643 (Unstyled)Reference
1948
268410 (Unstyled)Reference
1949
270131 (Unstyled)Reference
1950
272000 (Styled)Reference
1951
275938 (Styled)Reference
1952
278700 (Styled)Reference
1953
282351 (Styled)Reference
Final
284074 (Styled)Reference
Electrical
Ground
positiveReference
Battery volts
6Reference
Test results
Belt fuel use (max)
11.7 l/hourReference
Max pull
1926 kgReference

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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