John Deere 4020

1963 - 1972

New Generation Series

Row-Crop tractor

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

4020

row-crop

4020S

standard

4020HC

high-crop

600

industrial

Drawbar (tested)

83.79 hp 62.5 kW

PTO (tested)

95.83 hp 71.5 kW

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.

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

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

Rear Type

II

Rear lift

3790 lbs 1719 kg

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

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

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 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

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

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

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

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

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

8-speed partially synchronized

8-speed full power shift

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

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.

Ag front

6.00-16 (row crop)

7.50-18 (standard)

Ag rear

15.5-38 (row crop)

18.4-34 (standard)

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)

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

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

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

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.

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.

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.

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.

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.

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.

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

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

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