John Deere 4020

The John Deere 4020 is a tractor produced by John Deere. It is equipped with a 362 ci 5.9 L engine. The listed engine power is 95.83 hp 71.5 kW. Transmission: John Deere Power Shift. Drive type: 4x2 2WD. Operating weight: 8225 to 9560 pounds.

Engine Power

95.83 hp 71.5 kW

Drive & Traction

4x2 2WD

Fuel & Capacities

34 gal 128.7 L

Transmission

John Deere Power Shift

Operating Weight

8225 to 9560 pounds

Overview

	1963 - 1972 New Generation SeriesRow-Crop tractor 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 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.

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 ...

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

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.

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

Engine

Engine options
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 — 404 ci / 6.6 L Diesel

Manufacturer	John Deere
Fuel Type	Diesel
Configuration	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	404 ci 6.6 L
Bore/Stroke	4.25x4.75 inches 108 x 121 mm
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	24 qts 22.7 L
Intake valve clearance	0.018 inches 0.457 mm
Exhaust valve clearance	0.018 inches 0.457 mm
Early Oil capacity	8 qts 7.6 L
Late Oil capacity	12 qts 11.4 L

Engine Detail — 340 ci / 5.6 L Gasoline

Manufacturer	John Deere
Fuel Type	Gasoline
Configuration	6-cylinder 12-valve, liquid-cooled inline
Original gasoline and LP-gas engine, used through the 1965 model year.
Displacement	340 ci 5.6 L
Bore/Stroke	4.25x4.00 inches 108 x 102 mm
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	24 qts 22.7 L
Sparkplug gap	0.025 inches 0.635 mm
Point gap	0.016 inches 0.406 mm
Intake valve clearance	0.015 inches 0.381 mm
Exhaust valve clearance	0.028 inches 0.711 mm
Oil capacity	9 qts 8.5 L

Engine Detail — 362 ci / 5.9 L Gasoline

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

Engine Detail — 362 ci / 5.9 L LP Gas

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

Transmission

Transmission options
8-speed partially synchronized
8-speed full power shift

Transmission — John Deere Syncro-Range

Transmission	John Deere Syncro-Range
Type	partially synchronized
Gears	8 forward and 2 reverse
Oil capacity	52 qts 49.2 L
Oil type	303 Special
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.
Row-crop tractor with 15.5-38 rear tires.

Transmission — John Deere Power Shift

Transmission	John Deere Power Shift
Type	full power shift
Gears	8 forward and 4 reverse
Oil capacity	68 qts 64.4 L
Oil type	303 Special
Power Shift allows shift-on-the-move between gears without clutching.
Row-crop tractor with 15.5-38 rear tires.

Dimensions

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
Row crop Wheelbase	97.5 inches 247 cm
Standard Wheelbase	100.25 inches 254 cm
Length	151 inches 383 cm
Width	89.6 inches 227 cm
Regular rear axle	3.375 by 91 inches 85 by 2311 mm
Long rear axle	3.375 by 104 inches 85 by 2641 mm
Extra long rear axle	3.375 by 112 inches 85 by 2844 mm
Front tread	48.5 to 82.25 inches 123 to 208 cm
Rear tread	60 to 91 inches 152 to 231 cm
Rear tread	66 to 97 inches 167 to 246 cm (long axle)
Rear tread	67 to 105 inches 170 to 266 cm (extra long axle)

John Deere 4020 Weight
Shipping	8436 lbs (diesel syncro) 3826 kg
	8225 lbs (gas syncro) 3730 kg
	8319 lbs (LP syncro) 3773 kg
Operating	8645 lbs (gas syncro) 3921 kg
	8945 lbs (diesel syncro) 4057 kg
	9240 lbs (gas powershift) 4191 kg
	9560 lbs (diesel powershift) 4336 kg
Ballasted	13980 lbs*Diesel Powershift with 18.4-34 rear tires with fluid plus front and rear cast iron weights. 6341 kg

John Deere 4020 Height
Row-crop Steering wheel	77.9 inches 197 cm
Standard Steering wheel	78.25 inches 198 cm
Standard Exhaust	88.25 inches 224 cm
Row crop Exhaust	88.75 inches 225 cm

Tests

Tractor Tests
NTTL 849: diesel Syncro-Range 2WD
NTTL 850: gasoline Syncro-Range 2WD
NTTL 853: LP gas Syncro-Range 2WD
NTTL 930: diesel Syncro-Range 2WD
NTTL 934: LP gas Syncro-Range 2WD
NTTL 939: 340ci gasoline Syncro-Range 2WD
NTTL 1012: 362ci gasoline Power Shift 2WD
NTTL 1024: diesel Power Shift 2WD

Nebraska Tractor Test 849
Diesel Syncro-Range 2WD September 23 - October 2, 1963 Link: Nebraska Tractor Test 849 file
PTO performance
Power at rated engine speed	91.17 hp 68.0 kW
Fuel use	6.4 gal/hour 24.2 l/hour
Power at rated PTO speed	83.57 hp 62.3 kW
Fuel use	5.6 gal/hour 21.2 l/hour
Drawbar performance
Max power	76.36 hp 56.9 kW
Fuel use	6.4 gal/hour 24.2 l/hour
Gear 4 used for power test.
Max pull	10,184 lbs 4619 kg
Gear 2 used for pull test.

Nebraska Tractor Test 850
Gasoline Syncro-Range 2WD September 30 - October 7, 1963 Link: Nebraska Tractor Test 850 file
PTO performance
Power at rated engine speed	88.09 hp 65.7 kW
Fuel use	8.4 gal/hour 31.8 l/hour
Power at rated PTO speed	79.95 hp 59.6 kW
Fuel use	7.3 gal/hour 27.6 l/hour
Drawbar performance
Max power	73.06 hp 54.5 kW
Fuel use	8.2 gal/hour 31.0 l/hour
Gear 4 used for power test.
Max pull	10,088 lbs 4575 kg
Gear 2 used for pull test.

Nebraska Tractor Test 853
LP gas Syncro-Range 2WD October 5 - 11, 1963 Link: Nebraska Tractor Test 853 file
PTO performance
Power at rated engine speed	90.48 hp 67.5 kW
Fuel use	10.1 gal/hour 38.2 l/hour
Power at rated PTO speed	81.14 hp 60.5 kW
Fuel use	8.8 gal/hour 33.3 l/hour
Drawbar performance
Max power	75.19 hp 56.1 kW
Fuel use	9.7 gal/hour 36.7 l/hour
Gear 4 used for power test.
Max pull	10,217 lbs 4634 kg
Gear 2 used for pull test.

Nebraska Tractor Test 930
Diesel Syncro-Range 2WD November 16 - 20, 1965 Link: Nebraska Tractor Test 930 file
PTO performance
Power at rated engine speed	94.88 hp 70.8 kW
Fuel use	6.0 gal/hour 22.7 l/hour
Power at rated PTO speed	86.85 hp 64.8 kW
Fuel use	5.3 gal/hour 20.1 l/hour
Drawbar performance
Max power	83.79 hp 62.5 kW
Fuel use	6.0 gal/hour 22.7 l/hour
Gear 4 used for power test.
Max pull	11,249 lbs 5102 kg
Gear 2 used for pull test.

Nebraska Tractor Test 934
LP gas Syncro-Range 2WD April 26 - May 2, 1966 Link: Nebraska Tractor Test 934 file
PTO performance
Power at rated engine speed	94.67 hp 70.6 kW
Fuel use	10.2 gal/hour 38.6 l/hour
Power at rated PTO speed	84.22 hp 62.8 kW
Fuel use	8.9 gal/hour 33.7 l/hour
Drawbar performance
Max power	83.59 hp 62.3 kW
Fuel use	10.2 gal/hour 38.6 l/hour
Gear 4 used for power test.
Max pull	10,674 lbs 4841 kg
Gear 2 used for pull test.

Nebraska Tractor Test 939
340ci gasoline Syncro-Range 2WD May 17 - 24, 1966 Link: Nebraska Tractor Test 939 file
PTO performance
Power at rated engine speed	95.56 hp 71.3 kW
Fuel use	7.9 gal/hour 29.9 l/hour
Power at rated PTO speed	85.81 hp 64.0 kW
Fuel use	6.9 gal/hour 26.1 l/hour
Drawbar performance
Max power	83.28 hp 62.1 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Gear 4 used for power test.
Max pull	10,658 lbs 4834 kg
Gear 2 used for pull test.

Nebraska Tractor Test 1012
362ci gasoline Power Shift 2WD May 13 - June 4, 1969 Link: Nebraska Tractor Test 1012 file
PTO performance
Power at rated engine speed	95.66 hp 71.3 kW
Fuel use	9.3 gal/hour 35.2 l/hour
Power at rated PTO speed	87.52 hp 65.3 kW
Fuel use	8.1 gal/hour 30.7 l/hour
Drawbar performance
Max power	82.57 hp 61.6 kW
Fuel use	9.3 gal/hour 35.2 l/hour

Nebraska Tractor Test 1024
Diesel Power Shift 2WD September 30 - October 17, 1969 Link: Nebraska Tractor Test 1024 file
PTO performance
Power at rated engine speed	95.83 hp 71.5 kW
Fuel use	6.5 gal/hour 24.6 l/hour
Power at rated PTO speed	89.93 hp 67.1 kW
Fuel use	6.0 gal/hour 22.7 l/hour
Drawbar performance
Max power	83.09 hp 62.0 kW
Fuel use	6.6 gal/hour 25.0 l/hour

Attachments

Attachment overview
John Deere 148 loader
John Deere 158 loader
John Deere 48 loader

Recommended Implements & Sizing Guide

Engineering recommendations for John Deere 4020 based on its 95.83 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 4020.

Estimated Continuous Field Runtime: 6.8 hrs

Approximately 6.8 hours of continuous field operation at ~75% rated power on a full tank (34 gal / 128.7 L).

Estimated 75% Load Fuel Burn~5 gal/hr (18.9 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours

John Deere 4020 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 4020.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)95.8 hp

Kilowatts (kW)71.5 kW

Metric Horsepower (PS / CV)97.2 PS

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John Deere 4020

Overview

Engine

Engine Detail — 404 ci / 6.6 L Diesel

Engine Detail — 340 ci / 5.6 L Gasoline

Engine Detail — 362 ci / 5.9 L Gasoline

Engine Detail — 362 ci / 5.9 L LP Gas

Transmission

Transmission — John Deere Syncro-Range

Transmission — John Deere Power Shift

Dimensions

Tests

Attachments

Recommended Implements & Sizing Guide

Fluids, Capacities & Working Autonomy

Estimated Continuous Field Runtime: 6.8 hrs

Engine Crankcase Oil

Transmission & Hydraulic System

Engine Cooling System

John Deere 4020 Specification Unit Converter

Converted Equivalents:

Direct Competitor Comparison

John Deere 4020

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