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John Deere 3440 vs John Deere 6610

Verdict: John Deere 3440 vs John Deere 6610

The John Deere 3440 and the John Deere 6610 are both tractors — here is how they stack up on the figures that matter. John Deere 3440 leads on rated power with 102 hp against 101 hp. John Deere 3440 is the lighter machine (4,145 kg vs 4,717 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6610 is the newer design (1997 vs 1979). In short: choose the John Deere 3440 for outright pulling power, or the John Deere 6610 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 3440 Tractor
John Deere
94
Fit score
Best match
Clear
John Deere 6610 Tractor
John Deere
94
Fit score
Best match
Clear
Rated power
102 hp
101 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
Four push-button power shift gears (1-4) in six synchronized ranges (A-F) with left-hand power shuttle. Automatic shifting and cruise control. Available creeper provides an addition 12 speeds forward and reverse.Reference
Final drives
planetaryReference
Differential lock
electro-hydraulic wet discReference
Engine
Engine
76.1 kWReference
85.0 kWReference
Displacement
5.9 LReference
6.8 LReference
Bore/Stroke
106 x 110 mmReference
106 x 127 mmReference
Power
76.1 kWReference
85.0 kWReference
Compression
16.7:1Reference
Rated RPM
2200Reference
2300Reference
Idle RPM
850-2675Reference
Operating RPM
1500-2500Reference
Torque
394.6 NmReference
486.8 NmReference
Torque RPM
1500Reference
1300Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
49.0 LReference
19.7 LReference
Coolant capacity
20.0 LReference
15.5 LReference
Fuel tank
207.0 LReference
Firing order
1-5-3-6-2-4Reference
Starter power
3.1 kWReference
Intake valve clearance
0.356 mmReference
Exhaust valve clearance
0.457 mmReference
Transmission
Transmission
Syncro-RangeReference
John Deere AutoQuad IIReference
Gears
8 forward and 2 reverseReference
24 forward and reverseReference
Capacities
Fuel
145.0 LReference
PTO & Hydraulics
Hydraulic system
49.2 LReference
Capacity
49.2 LReference
Rear PTO Type
540/1000Reference
540/1000 (1.375)Reference
PTO (claimed)
75.3 kWReference
Type
four-speed power shiftReference
Pressure
200.0 barReference
Valves
4Reference
Pump flow
96.1 lpmReference
Rear Type
II/IIINReference
Control
electronic lower-link draft sensingReference
Rear Arms
telescopic link endsReference
Rear PTO
independentReference
Clutch
electro-hydraulic wet discReference
Engine RPM
1000@2185Reference
Front PTO
independentReference
Front PTO Type
1000 (1.375)Reference
Dimensions
Wheelbase
262 cmReference
264 cmReference
Weight
4145 kgReference
4717 kgReference
Front tire
10.00x16Reference
16.9R26Reference
Rear tire
23.1x30Reference
18.4R38Reference
Ag front
10.00x16Reference
16.9R26Reference
Ag rear
23.1x30Reference
18.4R38Reference
Length
403 cmReference
453 cmReference
Width
239 cmReference
231 cmReference
Height (steering wheel)
209 cmReference
Height (ROPS)
231 cmReference
Ground clearance
68 cmReference
Height (cab)
280 cmReference
Shipping weight
4717 kgReference
Max weight
8500 kgReference
Clearance (front axle)
52 cmReference
Front tread
161 to 211 cmReference
Rear tread
161 to 213 cmReference
3440 Serial Numbers
Location:
Serial number on the right side of the tractor frame, above the front axle.Reference
Plate located on right side of main tractor frame.Reference
Electrical
Ground
negativeReference
negativeReference
Batteries
2Reference
Battery volts
12Reference
12Reference
Battery AH
88Reference
174Reference
Charging system
alternatorReference
Charging amps
115Reference
John Deere 6610 attachments
6610 Serial Numbers
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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