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John Deere 8120 vs John Deere 8310T

Verdict: John Deere 8120 vs John Deere 8310T

The John Deere 8120 and the John Deere 8310T are both tractors — here is how they stack up on the figures that matter. John Deere 8120 leads on rated power with 208 hp against 206 hp. John Deere 8120 is the lighter machine (19,100 kg vs 23,650 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 8120 is the newer design (2002 vs 2000). In short: choose the John Deere 8120 for outright pulling power, or the John Deere 8310T 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 8120 Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 8310T Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
208 hp
206 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
With 18.4R46 rear tires.Reference
Gear 5 used for pull test.Reference
Steering
hydrostatic powerReference
hydrostaticReference
Drive
crawlerReference
Variants
8120
wheeled tractorReference
8310
wheeled tractorReference
8120T
crawlerReference
8310T
crawler tractorReference
Engine
Engine (gross)
155.1 kWReference
Engine (net)
149.1 kWReference
Engine (max)
171.5 kWReference
Drawbar (tested)
110.7 kWReference
132.3 kWReference
Displacement
8.1 LReference
8.1 LReference
Bore/Stroke
116 x 129 mmReference
116 x 129 mmReference
Rated Power (net)
149.1 kWReference
Rated Power (gross)
155.1 kWReference
Maximum Power (net)
164.1 kWReference
Maximum Power (gross)
171.5 kWReference
Fuel system
electronic high-pressure common rail (HPCR)Reference
Air cleaner
dry with secondary elementReference
two paper elementsReference
Compression
16.5:1Reference
16.5:1Reference
Rated RPM
2200Reference
2200Reference
Idle RPM
900-2300Reference
Operating RPM
1500-2200Reference
Starter volts
12Reference
12Reference
Coolant capacity
34.0 LReference
34.0 LReference
Oil capacity
149.9 LReference
246.1 LReference
Oil change
250 hReference
Max power
110.7 kWReference
132.3 kWReference
Power at rated engine speed
128.4 kWReference
153.9 kWReference
Transmission
Transmission
John Deere PowerShiftReference
Gears
16 forward and 4 reverseReference
16 forward and 4 reverseReference
PTO & Hydraulics
PTO (claimed)
126.8 kWReference
152.9 kWReference
PTO (tested)
148.9 kWReference
175.3 kWReference
Hydraulic system
149.9 LReference
246.0 LReference
Type
full power shiftReference
full powershiftReference
Capacity
149.9 LReference
246.0 LReference
Pressure
200.0 barReference
200.0 barReference
Valves
5Reference
3 to 5Reference
SCV flow
113.6 lpmReference
Total flow
160.9 lpmReference
160.9 lpmReference
Rear Type
III,IIINReference
III/IIINReference
Rear lift
6885 kgReference
7098 kgReference
Front Hitch
IIINReference
Front lift
4989 kgReference
Rear PTO
independentReference
independentReference
Clutch
hydraulic wet discReference
Rear PTO Type
540/1000 (1.375 optional)Reference
1000Reference
Engine RPM
1000@2200Reference
Pump flow
113.6 lpmReference
Capacities
Fuel
605.6 LReference
492.1 LReference
Front hubs
4.0 LReference
Front diff.
13.4 LReference
Max capacity
14288 kgReference
Dimensions
2WD Wheelbase
313 cmReference
4WD Wheelbase
296 cmReference
ILS Wheelbase
302 cmReference
Weight
19100 to 22450 poundsReference
23650 to 25960 poundsReference
Front tire
11.00-24Reference
Rear tire
480/80R46Reference
Standard tires (ag)
Front: 11.00-24. Rear: 480/80R46Reference
Length
538 cmReference
525 cmReference
Height (cab)
305 cmReference
Front axle
MFWD ILSReference
Rack-and-pinion rear axle
119 by 3009 mmReference
2WD Front tread
152 to 223 cmReference
4WD Front tread
152 to 203 cmReference
ILS Front tread
152 to 223 cmReference
Shipping
10183 kgReference
10727 kgReference
Operating
9099 kgReference
11775 kgReference
Max Drawbar
4536 kgReference
Wheelbase
226 cmReference
Height
312 cmReference
Ground clearance
55 cmReference
Ballasted
12852 kgReference
8120 Serial Number Location
8120 Serial Numbers
2002
1001Reference
2003
10001Reference
2004
20001Reference
2005
30001Reference
Electrical
Ground
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
150Reference
140Reference
Batteries
2Reference
2Reference
Battery CCA
925Reference
1850Reference
Battery volts
12Reference
12Reference
Test results
Fuel use
38.6 l/hourReference
45.0 l/hourReference
Max pull
10118 kgReference
12091 kgReference
Speeds
John Deere 8310T Tracks
Width
263 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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