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John Deere 2651 vs John Deere 2840

Verdict: John Deere 2651 vs John Deere 2840

The John Deere 2651 and the John Deere 2840 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 81 hp. John Deere 2651 is the lighter machine (3,492 kg vs 3,946 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 2651 is the newer design (1987 vs 1977). 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 2651 Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 2840 Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
81 hp
81 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
With 18.4-34 rear tires.Reference
Steering
hydrostatic powerReference
power assistReference
Final drives
planetaryReference
Differential lock
mechanical rearReference
Engine
Engine
60.0 kWReference
Displacement
3.9 LReference
5.4 LReference
Bore/Stroke
98 x 127 mmReference
102 x 110 mmReference
Power
60.0 kWReference
Rated RPM
2300Reference
2500Reference
Starter volts
12Reference
12Reference
Drawbar (tested)
48.4 kWReference
Air cleaner
paper elementsReference
Compression
17.0:1Reference
Coolant capacity
4.7 LReference
Power at rated engine speed
60.1 kWReference
Max power
48.4 kWReference
Transmission
Transmission
Top-Shaft SynchronizedReference
sliding gearReference
Gears
16 forward and 8 reverseReference
6 forward and 3 reverseReference
PTO & Hydraulics
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000Reference
540/1000Reference
PTO (tested)
60.1 kWReference
Hydraulic system
48.8 LReference
Type
two-speed power shiftReference
Capacity
48.8 LReference
Valves
2Reference
Pump flow
87.1 lpmReference
Rear Type
IIReference
Control
draft sensingReference
Clutch
dry discReference
Power at rated PTO speed
56.9 kWReference
Dimensions
Weight
3492 kgReference
3946 kgReference
Shipping weight
3492 kgReference
Wheelbase
246 cmReference
Front tire
7.50-18Reference
Rear tire
18.4-34Reference
Ag front
7.50-18Reference
Ag rear
16.9-38Reference
Length
406 cmReference
Width
228 cmReference
Height (steering wheel)
187 cmReference
Operating weight
3946 kgReference
Ballasted weight
4762 kgReference
Clearance (front axle)
53 cmReference
Front tread
175 to 238 cmReference
Rear tread
154 to 228 cmReference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Battery volts
12Reference
12Reference
Batteries
2Reference
Variants
3130
similar John Deere modelReference
Capacities
Fuel
106.0 LReference
John Deere 2840 attachments
2840 Serial Number Location
2840 Serial Numbers
1977
214909Reference
1978
264711Reference
1979
304654Reference
Test results
Fuel use
19.7 l/hourReference
Max pull
3803 kgReference
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.

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