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John Deere 670 vs John Deere AR Unstyled

Verdict: John Deere 670 vs John Deere AR Unstyled

The John Deere 670 and the John Deere AR Unstyled are both tractors — here is how they stack up on the figures that matter. John Deere 670 leads on rated power with 19 hp against 18 hp. John Deere 670 is the lighter machine (1,730 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 670 is the newer design (1989 vs 1935). In short: choose the John Deere 670 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 670 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
Distributor
John DeereReference
Manufacturer
YanmarReference
John DeereReference
With 9.5-16 rear tires.Reference
Gear 1 used for pull test.Reference
Original price
$13,550 (1997 4WD )Reference
Final drives
spur gearReference
Differential lock
mechanical rearReference
Steering
powerReference
AR Total built
17,394Reference
AO Total built
2,686Reference
Engine
Engine (gross)
14.4 kWReference
Engine (net)
13.8 kWReference
Displacement
0.9 LReference
5.3 LReference
Bore/Stroke
72 x 72 mmReference
140 x 171 mmReference
Power (net)
13.8 kWReference
Power (gross)
14.4 kWReference
Fuel system
indirect injectionReference
Air cleaner
dry elementReference
oil bathReference
Pre-heating
glow plugsReference
Compression
22.3:1Reference
4.45:1Reference
Rated RPM
2850Reference
975Reference
Starter volts
12Reference
Oil capacity
15.1 LReference
10.4 LReference
Coolant capacity
3.8 LReference
30.3 LReference
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
Firing order
1-2Reference
Sparkplug gap
0.762 mmReference
Belt power (max)
22.6 kWReference
Max power
19.8 kWReference
Transmission
Gears
8 forward and 2 reverseReference
4 forward and 1 reverseReference
Clutch
215mm dry discReference
dry discReference
Transmission
John DeereReference
PTO & Hydraulics
PTO (claimed)
11.9 kWReference
Hydraulic system
15.1 LReference
7.9 LReference
Type
unsynchronized gearReference
unsynchronized gearReference
Capacity
15.1 LReference
7.9 LReference
Pressure
141.3 barReference
Rear valves
2Reference
Mid valves
2Reference
Pump flow
20.8 lpmReference
33.7 lpmReference
Total flow
37.1 lpmReference
Steering flow
16.3 lpmReference
Rear Type
IReference
Control
position controlReference
Rear lift (at 24"/610mm)
358 kgReference
Rear PTO
liveReference
transmissionReference
Rear PTO Type
540Reference
540Reference
Engine RPM
2100@2600Reference
Mid PTO
liveReference
Mid PTO Type
2100Reference
Valves
1Reference
Capacities
Fuel
23.8 LReference
60.6 LReference
Front axle
3.0 LReference
Aux. fuel
3.8 LReference
Diameter
32 cmReference
RPM
975Reference
Speed
996.70 meters/minReference
Dimensions
Wheelbase
142 cmReference
Weight
356 kgReference
2154 kgReference
Front tire
5.00-12Reference
28x6Reference
2WD Rear tire
9.5-16Reference
2WD Standard tires (ag)
Front: 5.00-12. Rear: 9.5-16Reference
4WD Standard tires (ag)
Front: 6-12. Rear: 9.5-16Reference
Lawn/turf front
23x8.50-12Reference
Lawn/turf rear
31x15.5-15Reference
Length
276 cmReference
314 cmReference
Width
108 cmReference
162 cmReference
2WD Weight
784 kgReference
4WD Weight
843 kgReference
Clearance (drawbar)
24 cmReference
2WD Front tread
95 cmReference
4WD Front tread
93 cmReference
Rear tread
83 to 102 cmReference
131 cmReference
Rear tire
42.75x10Reference
Ag front
6.00-16Reference
Ag rear
12-26Reference
Height (hood)
139 cmReference
Operating weight
2154 kgReference
Ballasted weight
2880 kgReference
Rear axle
69 mmReference
Front tread
121 cmReference
John Deere 670 attachments
670 Serial Number Location
670 Serial Numbers
1989
1001Reference
1990
010001Reference
1991
104013Reference
1992
114751Reference
1993
120001Reference
1994
130001Reference
1995
140001Reference
1996
150001Reference
1997
160001Reference
Electrical
Ground
negativeReference
positiveReference
Charging system
alternatorReference
Charging amps
20Reference
Battery CCA
420Reference
Battery volts
12Reference
6Reference
Attachment overview
60" Mower deck
Cutting width
152 cmReference
Overall width
184 cmReference
Cut height
2 to 22 cmReference
John Deere 7 Backhoe
Backhoe type
John Deere 7 BackhoeReference
Transport height
175 cmReference
Bucket width
48 cmReference
2-Foot flat digging depth
228 cmReference
Reach from pivot
289 cmReference
Loading height
177 cmReference
Bucket Rotation
180°Reference
Swing Arc
180°Reference
Bucket force
496 kgReference
Dipperstick force
882 kgReference
John Deere 670 Height
Hood
120 cmReference
ROPS
194 cmReference
Exhaust
185 cmReference
Speeds
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
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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