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John Deere 8230 vs John Deere 9120
Verdict: John Deere 8230 vs John Deere 9120
The John Deere 8230 and the John Deere 9120 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 245 hp. John Deere 8230 is the lighter machine (23,747 kg vs 30,970 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8230 is the newer design (2006 vs 2002). 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
245 hp
245 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
IVT available with 40 or 50 kph (25 or 31 mph) maximum speed. With maximum speed set to less than 2 kph the transmission automatically enters creeper mode.Reference
With 20.8R42 tires.Reference
Steering
—
hydrostatic articulatedReference
Variants
8230
row-crop tractorReference
—
8230T
crawler tractorReference
—
Engine
Engine (gross)
182.7 kWReference
—
Engine (max)
197.6 kWReference
—
Drawbar (tested)
134.5 kWReference
168.5 kWReference
Displacement
9.0 LReference
8.1 LReference
Bore/Stroke
118 x 136 mmReference
116 x 129 mmReference
Rated Power (gross)
182.7 kWReference
—
Maximum Power (gross)
197.6 kWReference
—
Air cleaner
dual paper elementsReference
dryReference
Compression
16.3:1Reference
16.0:1Reference
Rated RPM
2100Reference
2100Reference
Idle RPM
900-2200Reference
—
Operating RPM
1500-2100Reference
—
Starter volts
12Reference
12Reference
Oil capacity
159.0 LReference
132.5 LReference
Coolant capacity
40.0 LReference
52.1 LReference
Max power
134.5 kWReference
168.5 kWReference
Power at rated engine speed
151.9 kWReference
182.4 kWReference
Engine
—
208.8 kWReference
Power
—
208.8 kWReference
Transmission
Transmission
John Deere Infinitely Variable Transmission (IVT)Reference
John Deere PowershiftReference
Gears
infinite forward and reverseReference
18 forward and 6 reverseReference
Clutch
hydraulic wet discReference
—
PTO & Hydraulics
PTO (claimed)
149.1 kWReference
171.5 kWReference
PTO (tested)
173.4 kWReference
182.4 kWReference
Hydraulic system
54.9 LReference
106.0 LReference
Type
full power shiftReference
full power shiftReference
Capacity
54.9 LReference
106.0 LReference
Pressure
144.7 barReference
200.0 barReference
Valves
3 to 5Reference
4 or 5Reference
Pump flow
120.0 lpmReference
113.6 lpmReference
Total flow
227.1 lpmReference
181.7 lpmReference
Rear Type
IVN/III (optional)Reference
IV/IVNReference
Rear lift (at 24"/610mm)
7847 kgReference
—
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000 (optional)Reference
1000Reference
Engine RPM
1000@2000Reference
—
Power at rated PTO speed
163.8 kWReference
196.1 kWReference
Rear lift
—
6552 kgReference
Capacities
Fuel
681.3 LReference
1022.0 LReference
Dimensions
Wheelbase
302 cmReference
350 cmReference
Weight
11406 kgReference
30970 to 35375 poundsReference
Length
556 cmReference
734 cmReference
Height
312 cmReference
—
Ground clearance
44 cmReference
—
Front tire
—
20.8R42Reference
Rear tire
—
20.8R42Reference
Ag front
—
20.8R42Reference
Ag rear
—
20.8R42Reference
Width
—
293 cmReference
Shipping weight
—
14047 kgReference
Operating weight
—
16046 kgReference
Clearance (front axle)
—
68 cmReference
Clearance (drawbar)
—
38 cmReference
8230 Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
200Reference
140Reference
Batteries
2Reference
2Reference
Battery CCA
925Reference
925Reference
Battery volts
12Reference
12Reference
Test results
Fuel use
42.8 l/hourReference
54.9 l/hourReference
Max pull
99332 kgReference
15971 kgReference
9120 Serial Numbers
2002
—
1001Reference
2003
—
10001Reference
2004
—
20001Reference
2005
—
30001Reference
2006
—
40001Reference
2007
—
50001Reference
Location:
—
On the top-left of rear hinge memberReference
John Deere 9120 Height
Hood
—
247 cmReference
Cab
—
349 cmReference
Exhaust
—
355 cmReference
Speeds
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.


