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 John Deere 4020 tractor is part of the New Generation Series of tractors. The 4020 is classified as a Row-Crop Tractors and that is often used for Agriculture Tractors activities. The engine of the 4020 tractor offers . This setup improves usability in the real world setting.

Also See