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John Deere 7185J vs John Deere 8100

Verdict: John Deere 7185J vs John Deere 8100

The John Deere 7185J and the John Deere 8100 are both tractors — here is how they stack up on the figures that matter. John Deere 8100 leads on rated power with 160 hp against 157 hp. John Deere 7185J is the lighter machine (8,101 kg vs 16,435 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 7185J is the newer design (2010 vs 1995). In short: choose the John Deere 8100 for outright pulling power, or the John Deere 7185J 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 7185J Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 8100 Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
157 hp
160 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
Four gears (1-4) in four ranges (A-D) with left-hand power shuttle. Push-button power shifting between gears, synchronized range shifting using the clutch.Reference
Gear 3 used for pull test.Reference
Differential lock
electro-hydraulicReference
electro-hydraulicReference
Steering
hydrostatic powerReference
Trailer brakes
air brake optionalReference
Final drives
inboard planetaryReference
Engine
Fuel tank
391.7 LReference
Engine
138.0 kWReference
Displacement
6.8 LReference
7.6 LReference
Bore/Stroke
106 x 127 mmReference
116 x 121 mmReference
Power
138.0 kWReference
Fuel system
mechanical injection pump with electronic governorReference
Rated RPM
2100Reference
2200Reference
Torque
826.1 NmReference
Torque RPM
1400Reference
Starter volts
12Reference
12Reference
Drawbar (tested)
105.7 kWReference
Air cleaner
dual paper elements with aspiratorReference
Compression
15.1:1Reference
Firing order
1-5-3-6-2-4Reference
Oil capacity
140.1 LReference
Coolant capacity
27.3 LReference
Max power
105.7 kWReference
Power at rated engine speed
119.6 kWReference
Transmission
Transmission
John Deere AutoQuadReference
John Deere PowerShiftReference
Gears
16 forward and reverseReference
16 forward and 4 reverseReference
PTO & Hydraulics
PTO (claimed)
117.1 kWReference
119.3 kWReference
Type
partial power shiftReference
full power shiftReference
Pressure
210.0 barReference
200.0 barReference
Valves
2 to 4Reference
3 to 5Reference
Pump flow
174.1 lpmReference
SCV flow
169.9 lpmReference
113.6 lpmReference
Rear Type
3/3NReference
III/IIINReference
Control
electronic lower-link sensingReference
electro-hydraulic draft sensingReference
Rear lift (at ends)
10441 kgReference
Rear lift (at 24"/610mm)
6350 kgReference
Rear PTO
independentReference
independentReference
Clutch
hydraulic wet discReference
hydraulic wet discReference
Rear PTO Type
540/1000Reference
540 (1.375)Reference
Engine RPM
1000@1950Reference
1000@2200Reference
PTO (tested)
133.6 kWReference
Hydraulic system
140.0 LReference
Capacity
140.0 LReference
Rear lift
6425 kgReference
Dimensions
Wheelbase
286 cmReference
Weight
8101 kgReference
16435 to 18914 poundsReference
Front tire
16.9-30Reference
11.00-24Reference
Rear tire
20.8-42Reference
Standard tires (ag)
Front: 16.9-30. Rear: 20.8-42Reference
Optional tires (ag)
Front: 480/70R28. Rear: 800/65R32Reference
Length
610 cmReference
524 cmReference
Height (cab)
314 cmReference
Ballasted weight
9902 kgReference
Clearance (front axle)
53 cmReference
Rear axle
99 by 2806 mmReference
Front tread
152 to 213 cmReference
Rear tread
158 to 321 cmReference
2WD Wheelbase
311 cmReference
4WD Wheelbase
294 cmReference
2WD Rear tire
18.4R46Reference
2WD Standard tires (ag)
Front: 14.9R34. Rear: 18.4R46Reference
Height
305 cmReference
4WD Ground clearance
58 cmReference
2WD Ground clearance
80 cmReference
Optional short axle rear axle
99 by 2806 mmReference
Standard axle rear axle
99 by 3009 mmReference
Optional large axle rear axle
110 by 3009 mmReference
2WD Front tread
152 to 213 cmReference
4WD Front tread
152 to 223 cmReference
2WD Shipping
7454 kgReference
4WD Shipping
8108 kgReference
Operating
8579 kgReference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
90Reference
140Reference
Batteries
2Reference
2Reference
Battery volts
12Reference
12Reference
Battery AH
100Reference
Battery CCA
925Reference
Capacities
Fuel
511.0 LReference
Front hubs
3.0 LReference
Front diff.
10.9 LReference
8100 Serial Number Location
8100 Serial Numbers
1995
1001Reference
1996
4001Reference
1997
10001Reference
1998
20001Reference
1999
24001Reference
Test results
Fuel use
34.4 l/hourReference
Max pull
9791 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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