John Deere 4020 Tractor (1972)

Manufacturer:John Deere

Price:10,345(USD)

Series:New Generation Series

Model:4020

Equipment Type: Row-Crop Tractors

Factory:Waterloo, Iowa, USA

Full Specifications

ENGINES OVERVIEW

Description
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 DETAIL 1

Description
John Deere diesel 6-cylinder 12-valve liquid-cooled inline/Oil capacity on most 4020 diesels increased from 8 to 12 quarts starting with the 1969 model year, tractor serial number 201,000. High-crop diesel tractors retained the 8-quart capacity throughout the production run. Tractors fitted with after-market turbochargers, and early tractors with replacement oil pans, may also have the higher oil capacity
Displacement
404ci / 6.6L
Bore/Stroke
4.25x4.75inches / 108x 121mm
Compression
16.5:1
Rated RPM
2200
Idle RPM
600-2500
Operating RPM
1500-2200
Firing order
1-5-3-6-2-4
Starter volts
24
Coolant capacity
24qts / 22.7L
Intake valve clearance
0.018inches / 0.457mm
Exhaust valve clearance
0.018inches / 0.457mm

ENGINE OIL 1

Early Oil capacity
8qts / 7.6L
Late Oil capacity
12qts / 11.4L

ENGINE DETAIL 2

Description
John Deere gasoline 6-cylinder 12-valve liquid-cooled inline, Original gasoline and LP-gas engine, used through the 1965 model year
Displacement
340ci / 5.6L
Bore/Stroke
4.25x4.00inches / 108x 102mm
Compression
7.5:1
Rated RPM
2200
Idle RPM
650-2500
Operating RPM
1500-2200
Firing order
1-5-3-6-2-4
Starter volts
12
Coolant capacity
24qts / 22.7L
Sparkplug gap
0.025inches / 0.635mm
Point gap
0.016inches / 0.406mm
Intake valve clearance
0.015inches / 0.381mm
Exhaust valve clearance
0.028inches / 0.711mm

ENGINE OIL 2

Oil capacity
9qts / 8.5L

ENGINE DETAIL 3

Description
John Deere gasoline 6-cylinder 12-valve liquid-cooled inline/The larger, 362 ci engine became available in 1966, replacing 340 ci engine
Displacement
362ci / 5.9L
Bore/Stroke
4.25x4.25inches / 108x 108mm
Compression
7.5:1
Rated RPM
2200
Firing order
1-5-3-6-2-4
Starter volts
12
Oil capacity
8qts / 7.6L
Coolant capacity
24qts / 22.7L

ENGINE DETAIL 4

Description
John Deere LP gas 6-cylinder 12-valve liquid-cooled inline
Displacement
362ci / 5.9L
Bore/Stroke
4.25x4.25inches / 108x 108mm
Compression
9.0:1
Rated RPM
2200
Firing order
1-5-3-6-2-4
Starter volts
12
Oil capacity
8qts / 7.6L
Coolant capacity
24qts / 22.7L

JOHN DEERE 4020 ENGINES

Description
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

TRANSMISSIONS OVERVIEW

Description
8-speed partially synchronized 8-speed full power shift

TRANSMISSION 1

Transmission
John Deere Syncro-Range
Type
partially synchronized
Gears
8 forward and 2 reverse
Oil capacity
52qts / 49.2L 303 Special
Description
Synchro-Range requires the tractor to be stopped and clutch depressed to select one of four shift stations. Once a station is selected the tractor can be shifted on the move between the two forward gears (and single reverse in stations 1 and 2) by using the clutch

SPEEDS 1

Description
Row-crop tractor with 15.5-38 rear tires

TRANSMISSION 2

Transmission
John Deere Power Shift
Type
full power shift
Gears
8 forward and 4 reverse
Oil capacity
68qts / 64.4L 303 Special
Description
Power Shift allows shift-on-the-move between gears without clutching

SPEEDS 2

Description
Row-crop tractor with 15.5-38 rear tires

JOHN DEERE 4020 TRANSMISSIONS

Description
8-speed partially synchronized 8-speed full power shift

MECHANICAL

Drive
4x2 2WD/4x4 HFWD 4WD *Front-wheel assist was optional after 1969
Differential lock
mechanical rear OptOptional
Description
Power steering Hydraulic wet disc brakes Open operator station. Cab optional

CAPACITY

Gasoline Fuel
34gal / 128.7L
Diesel Fuel
34gal / 128.7L
LP-gas Fuel
45gal / 170.3L
Synchro-Range Hydraulic system
10gal / 37.9L
Power Shift Hydraulic system
12gal / 45.4L

HYDRAULICS

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

TRACTOR HITCH

Rear Type
II
Rear lift
3790lbs / 1719kg

POWER TAKE-OFF (PTO)

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

JOHN DEERE 4020 TIRES

Ag front
6.00-16 (row crop) / 7.50-18 (standard)
Ag rear
15.5-38 (row crop) / 18.4-34 (standard)

DIMENSIONS & TIRES

Row crop Wheelbase
97.5inches / 247cm
Standard Wheelbase
100.25inches / 254cm
Weight
8225 to 9560 pounds
Front tire
6.00-16
Rear tire
15.5-38

4020 SERIAL NUMBERS

1969
201000
1972
260791
Final
270288

4020 SERIAL LOCATION

Description
Serial number plate on the rear of the 4020 transmission case

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

About John Deere Tractor

The 4020 model tractor belongs to the New Generation Series of tractors from John Deere. The 4020 is a Row-Crop Tractors type, that is used mostly in Agriculture Tractors. The engine of the 4020 tractors is impressive. This configuration improves usability in the real world.

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