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John Deere 420I Special Utility vs John Deere 440

Verdict: John Deere 420I Special Utility vs John Deere 440

The John Deere 420I Special Utility and the John Deere 440 are both industrial tractors — here is how they stack up on the figures that matter. John Deere 440 leads on rated power with 33 hp against 29 hp. John Deere 420I Special Utility is the lighter machine (1,292 kg vs 3,830 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 440 is the newer design (1958 vs 1957). In short: choose the John Deere 440 for outright pulling power, or the John Deere 420I Special Utility 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 420I Special Utility Industrial Tractor
John Deere
71
Fit score
Best match
Clear
John Deere 440 Industrial Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
29 hp
33 hp
Confidence
98%
98%
Guide price
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooledReference
With 13-26 rear tires.Reference
Total built
255Reference
Final drives
spur gearReference
Steering
power assistReference
Engine
Fuel tank
39.7 LReference
39.7 LReference
Belt (claimed)
21.8 kWReference
Displacement
1.9 LReference
1.9 LReference
Bore/Stroke
108 x 102 mmReference
108 x 102 mmReference
Air cleaner
oil bathReference
oil bathReference
Compression
7:1Reference
7.5:1Reference
Rated RPM
1850Reference
2000Reference
Torque
122.0 NmReference
Torque RPM
1300Reference
Firing order
1-2Reference
1-2Reference
Starter
electricReference
Starter volts
6Reference
6Reference
Coolant capacity
10.4 LReference
9.5 LReference
Drawbar (tested)
19.9 kWReference
Fuel system
carburetorReference
Oil capacity
9.0 LReference
Power at rated engine speed
23.2 kWReference
Max power
19.5 kWReference
Transmission
Type
mechanical shuttleReference
gearReference
Gears
5 forward and reverseReference
5 forward and 1 reverseReference
Transmission
Direction ReverserReference
Clutch
dry discReference
Oil type
SAE 80Reference
PTO & Hydraulics
Rear Type
IReference
IReference
Rear PTO
liveReference
transmissionReference
Rear PTO Type
540 (1.375)Reference
540/1000Reference
PTO (tested)
24.4 kWReference
Valves
1Reference
Power at rated PTO speed
20.9 kWReference
Dimensions
Wheelbase
197 cmReference
215 cmReference
Weight
1292 kgReference
3830 to 4200 poundsReference
Ag front
7.50x16Reference
Ag rear
13x26Reference
Length
318 cmReference
347 cmReference
Width
140 cmReference
188 cmReference
Height (hood)
127 cmReference
136 cmReference
Front tire
6.00-16Reference
Rear tire
13-26Reference
Industrial front
7.50-16Reference
Industrial rear
12-28Reference
Height (exhaust)
182 cmReference
Front tread
142 cmReference
Rear tread
152 cmReference
Gas Shipping
1737 kgReference
Diesel Shipping
1905 kgReference
Ballasted
2891 kgReference
420I Serial Numbers
Location:
Serial number plate on the left side of tractor, on the clutch housing.Reference
Instrument panel of diesel models, clutch housing of gas modelsReference
Electrical
Ground
positiveReference
positiveReference
Battery volts
6Reference
Diesel 6 gas} Battery volts
12Reference
Variants
435
ag tractorReference
440C
crawlerReference
John Deere 440 attachments
440 Serial Numbers
1958
440001Reference
1959
444128Reference
1960
453873Reference
Final
461929Reference
Links
Attachment overview
John Deere 50 Backhoe
Backhoe type
John Deere 51 Sideshift BackhoeReference
Digging depth
411 cmReference
Reach from pivot
632 cmReference
Swing Arc
180°Reference
John Deere 51 Sideshift Backhoe
Test results
Fuel use
10.2 l/hourReference
Max pull
1791 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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