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. The 4020 is classified as a Row-Crop Tractors and that is often used for Agriculture Tractors applications. The engine of the 4020 tractor generates. This configuration optimizes real-world applicability.