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John Deere 4020

John Deere 4020 tractor photo
1963 - 1972   New Generation Series
Row-Crop tractor
Previous model:John Deere 4010
Next model:John Deere 4230
Series next:John Deere 4320
Series back:John Deere 4000




 

Production:

Manufacturer:John Deere
Factory:Waterloo, Iowa, USA
 Mexico
Total built:184,879 (total)
 8,123 (gas)
 8,445 (LP)
 168,311 (diesel)
 17,732 (standard)
Original price (USD)
   $10,345 (1972 )
 

Variants:

4020:row-crop
4020S:standard
4020HC:high-crop
600:industrial
 

John Deere 4020 Engines:

   John Deere 6.6L 6-cyl diesel
   John Deere 5.6L 6-cyl gasoline
   John Deere 5.9L 6-cyl gasoline
   John Deere 5.9L 6-cyl LP gas
full engine details ...
 

Capacity:

Gasoline Fuel:34 gal [128.7 L]
Diesel Fuel:34 gal [128.7 L]
LP-gas Fuel:45 gal [170.3 L]
Syncro-Range Hydraulic system:10 gal [37.9 L]
Power Shift Hydraulic system:12 gal [45.4 L]
 

3-Point Hitch:

Rear Type:II
Rear lift:3790 lbs [1719 kg]
 

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540/1000
 1000
Engine RPM:540@1900
1000@1900
Front PTO:independent
Front RPM:1000
Engine RPM:1000@1900
 

Dimensions & Tires:

Row crop Wheelbase:97.5 inches [247 cm]
Standard Wheelbase:100.25 inches [254 cm]
Weight:8225 to 13980 pounds
Front tire:6.00-16
Rear tire:15.5-38
full dimensions and tires ...
 

John Deere 4020 attachments:

 front-end loader
all 4020 attachments ...
 

4020 Serial Numbers:

Location:Rear of transmission case
photo of 4020 serial number

1964: 65000
1965: 91000
1966: 119000
1967: 145660
1968: 173982
1969: 201000
1970: 222160
1971: 250000
1972: 260791
Final: 270288

how to read serial numbers...

 

Links:

Forty-twenty.com: Site dedicated to the John Deere 4020
 

John Deere 4020 Power:

Drawbar (tested):83.79 hp [62.5 kW]
PTO (tested):95.83 hp [71.5 kW]
power test details ...
 

Mechanical:

Chassis:4x2 2WD
 4x4 HFWD 4WD*Front-wheel assist was optional after 1969.
Differential lock:mechanical rear*Optional
Steering:power
Brakes:hydraulic wet disc
Cab:Open operator station. Cab optional.
 

Hydraulics:

Type:closed center
Syncro-Range Capacity:10 gal [37.9 L]
Power Shift Capacity:12 gal [45.4 L]
Pressure:2250 psi [155.1 bar]
Valves:1
SCV flow:6 gpm [22.7 lpm]
Total flow:18 gpm [68.1 lpm] (early)
 

Electrical:

Ground:positive (1964-1969)
 negative (1969-1972)
 floating (24V)
Charging system:Motorola alternator
Charging amps:55
 

Battery:

24V Number:4
12V Number:2
Volts:6
Amp-hours:75
 

Page information:

Last update:November 11, 2016
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Contact:Peter@TractorData.com
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