Equipment

Brands

John Deere 4020 Tractor (1972)

Manufacturer:

John Deere

Price:

10,345(USD)

Series:

New Generation Series

Model:

4020

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
The John Deere 4020 tractor is part of the New Generation Series. The 4020 is a Row-Crop Tractors type, which is used most often in Agriculture Tractors. The 4020 tractor has a engine. This setup provides real-world usability.