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John Deere 3440 vs John Deere 7400
Verdict: John Deere 3440 vs John Deere 7400
The John Deere 3440 and the John Deere 7400 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 102 hp. John Deere 3440 is the lighter machine (4,145 kg vs 12,666 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 7400 is the newer design (1993 vs 1979). 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
94
Fit score
Best match
Clear
John Deere
94
Fit score
Best match
Clear
Rated power
102 hp
102 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
Standard transmission. Four gears (1-4) in four ratios (A-D).Reference
Engine
Engine
76.1 kWReference
—
Displacement
5.9 LReference
6.8 LReference
Bore/Stroke
106 x 110 mmReference
106 x 127 mmReference
Power
76.1 kWReference
—
Compression
16.7:1Reference
17.8:1Reference
Rated RPM
2200Reference
2100Reference
Idle RPM
850-2675Reference
—
Operating RPM
1500-2500Reference
—
Torque
394.6 NmReference
—
Torque RPM
1500Reference
—
Starter
electricReference
—
Starter volts
12Reference
12Reference
Oil capacity
49.0 LReference
—
Coolant capacity
20.0 LReference
—
Fuel tank
—
204.4 LReference
Drawbar (tested)
—
68.0 kWReference
Firing order
—
1-5-3-6-2-4Reference
Max power
—
68.0 kWReference
Power at rated engine speed
—
76.1 kWReference
Transmission
Transmission
Syncro-RangeReference
PowrQuadReference
Gears
8 forward and 2 reverseReference
16 forward and 12 reverseReference
Clutch
—
hydraulic wet discReference
Capacities
Fuel
145.0 LReference
—
PTO & Hydraulics
Hydraulic system
49.2 LReference
—
Capacity
49.2 LReference
—
Rear PTO Type
540/1000Reference
540/1000Reference
PTO (claimed)
—
74.6 kWReference
PTO (tested)
—
80.0 kWReference
Type
—
four-speed power shiftReference
Valves
—
2 or 3Reference
Rear Type
—
2/3NReference
Rear lift (at 24"/610mm)
—
3110 kgReference
Rear PTO
—
independentReference
Dimensions
Wheelbase
262 cmReference
284 cmReference
Weight
4145 kgReference
12666 to 12738 poundsReference
Front tire
10.00x16Reference
10.00-16Reference
Rear tire
23.1x30Reference
18.4-38Reference
Ag front
10.00x16Reference
10.00-16Reference
Ag rear
23.1x30Reference
18.4-38Reference
Length
403 cmReference
—
Width
239 cmReference
—
Height (steering wheel)
209 cmReference
—
Height (ROPS)
231 cmReference
—
Ground clearance
68 cmReference
—
Operating weight
—
5777 kgReference
3440 Serial Numbers
Location:
Serial number on the right side of the tractor frame, above the front axle.Reference
—
Electrical
Ground
negativeReference
negativeReference
Batteries
2Reference
—
Battery volts
12Reference
12Reference
Battery AH
88Reference
—
7400 Serial Numbers
1994
—
1001Reference
1995
—
2995Reference
1996
—
6001Reference
Test results
Fuel use
—
22.7 l/hourReference
Max pull
—
5877 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.


