john deere 4020

John Deere 4020 tractor photo
1963 - 1972 New Generation SeriesRow-Crop tractor
1963 - 1972
New Generation Series
Row-Crop tractor
1963 - 1972
New Generation Series
Row-Crop tractor
1963 - 1972
New Generation Series
Row-Crop tractor
Production
Manufacturer
John Deere
Row-Crop tractor
Factories
Waterloo, Iowa, USA
 
Mexico
Total built
184,879 (total)
 
8,123 (gas)
 
8,445 (LP)
 
168,311 (diesel)
 
17,732 (standard)
Original price was $10,345 in 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
Engine details ...
John Deere 4020 Transmissions
8-speed partially synchronized
8-speed full power shift
Transmission details ...
John Deere 4020 Power
Drawbar (tested)
83.79 hp 62.5 kW
PTO (tested)
95.83 hp 71.5 kW
Performance test details ...
Mechanical
Drive
4x2 2WD
 
4x4 HFWD 4WD *Front-wheel assist was optional after 1969.
Differential lock
mechanical rear OptOptional
Power steering
Hydraulic wet disc brakes
Open operator station. Cab optional.
Photos
Open-station John Deere 4020
John Deere 4020 photos...
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
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 (early) 68.1 lpm
Tractor hitch
Rear Type
II
Rear lift
3790 lbs 1719 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/1000 (1.375)
 
1000 (1.375)
Engine RPM
540@1900
 
1000@1900
Front PTO
independent
Front PTO Type
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 9560 pounds
Front tire
6.00-16
Rear tire
15.5-38
Full dimensions and tires ...
John Deere 4020 attachments
front-end loader
Attachment details ...
4020 Serial Number Location
John Deere 4020 serial number location
Serial number plate on the rear of the 4020 transmission case.
4020 Serial Numbers
1964
65000
1965
91000
1966
119000
1967
145660
1968
173982
1969
201000
1970
222160
1971
250000
1972
260791
Final
270288
FAQ: How to read a serial number table.
Electrical
Ground
positive (1964-1969)
 
negative (1969-1972)
 
floating (24V)
Charging system
Motorola alternator
Charging amps
55
Batteries
2 (24V system)
 
1 (12V system)
Battery volts
12
Battery AH
75
References
4020 references literature
The John Deere 20 Series New Generation Tractors by Benjamin Hain
Designing the New Generation John Deere Tractors by Merle Miller
2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere
Tractors 1918-1976 published by John Deere*
John Deere Tractors for 68 published in 1968
Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere
Modern Farming published in 1965, by John Deere
*Publication contains known errors.
4020 manuals literature
Operator's Manual 4000 and 4020 (OM-R46934) published in 1969
Operator's Manual 4000 and 4020 (OM-R48273) published in 1971
Operator's Manual 4020 (OM-R34410) published in 1963
Operator's Manual 4020 (OM-R39669) published in 1965
Operator's Manual 4020 (OM-R41754) published in 1969
Operator's Manual 4020 (OM-R44920) published in 1969