John Deere 4020 tractor specifications

1963 - 1972

1963 - 1972 New Generation SeriesRow-Crop tractor

Production

Production Manufacturer:John Deere
Type: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:$10,345 (1972 )

Variants

Variants 4020:row-crop
4020S:standard
4020HC:high-crop
600:industrial

1963 - 1972

New Generation Series

Row-Crop tractor

Production

Production
Manufacturer:	John Deere
Type:	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:	$10,345 (1972 )

Variants

Variants
4020:	row-crop
4020S:	standard
4020HC:	high-crop
600:	industrial

John Deere 4020 Power

John Deere 4020 Power
Drawbar (tested):	83.79 hp 62.5 kW
PTO (tested):	95.83 hp 71.5 kW
power test details ...

John Deere 4020 Engines

John Deere 4020 Engines
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 details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 HFWD 4WD*Front-wheel assist was optional after 1969.
Differential lock:	mechanical rear*Optional
Steering:	power
Brakes:	hydraulic wet disc
Cab:	Open operator station. Cab optional.
Transmissions:	8-speed partially synchronized
	8-speed full power shift
Transmission details ...

Capacity

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

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 68.1 lpm (early)

Tractor hitch

Tractor hitch
Rear Type:	II
Rear lift:	3790 lbs 1719 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/1000
	1000
Engine RPM:	540@1900 1000@1900
Front PTO:	independent
Front RPM:	1000
Engine RPM:	1000@1900

Dimensions & Tires

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 ...

John Deere 4020 attachments

John Deere 4020 attachments
front-end loader
Attachment details ...

4020 Serial Numbers

4020 Serial Numbers
Location:	Serial number plate on the rear of the 4020 transmission case.
photo of 4020 serial number
1964:	65000
1965:	91000
1966:	119000
1967:	145660
1968:	173982
1969:	201000
1970:	222160
1971:	250000
1972:	260791
Final:	270288
how to read serial numbers...

Electrical

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

John Deere 4020 Power

John Deere 4020 Power Drawbar (tested):83.79 hp
62.5 kW
PTO (tested):95.83 hp
71.5 kW
power test details ...

1963 - 1972

New Generation Series

Row-Crop tractor

Nebraska Tractor Test 849

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

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

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

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

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

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

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

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

John Deere 4020 Engines

John Deere 4020 Engines 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 details ...

1963 - 1972

New Generation Series

Row-Crop tractor

Engines overview

Engines overview
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

Engine Detail
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:	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

Engine Oil

Engine Oil

Early Oil capacity:	8 qts 7.6 L
Late Oil capacity:	12 qts 11.4 L

Engine Detail

Engine Detail
John Deere
gasoline
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

Engine Oil

Engine Oil

Oil capacity:	9 qts 8.5 L

Engine Detail

Engine Detail
John Deere
gasoline
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

Engine Detail
John Deere
LP gas
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

Mechanical

Mechanical Chassis:4x2 2WD
4x4 HFWD 4WD*Front-wheel assist was optional after 1969.
Differential lock:mechanical rear*Optional
Steering:power
Brakes:hydraulic wet disc
Cab:Open operator station. Cab optional.
Transmissions:8-speed partially synchronized
8-speed full power shift
Transmission details ...

1963 - 1972

New Generation Series

Row-Crop tractor

Transmissions overview

Transmissions overview
8-speed partially synchronized
8-speed full power shift

Transmission

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.

Speeds

Speeds
Row-crop tractor with 15.5-38 rear tires.

Transmission

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.

Speeds

Speeds
Row-crop tractor with 15.5-38 rear tires.

Capacity

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

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
68.1 lpm (early)

Tractor hitch

Tractor hitch Rear Type:II
Rear lift:3790 lbs
1719 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540/1000
1000
Engine RPM:540@1900
1000@1900
Front PTO:independent
Front RPM:1000
Engine RPM:1000@1900

Dimensions & Tires

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 ...

1963 - 1972

New Generation Series

Row-Crop tractor

John Deere 4020 Tires

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

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
Rear axle:	Regular axle: 3.375 by 91 inches 85 by 2311 mm
Rear axle:	Long axle: 3.375 by 104 inches 85 by 2641 mm
Rear axle:	Extra long 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

John Deere 4020 Weight
Shipping:	8,436 lbs 3826 kg (diesel syncro)
	8,225 lbs 3730 kg (gas syncro)
	8,319 lbs 3773 kg (LP syncro)
Operating:	8,645 lbs 3921 kg (gas syncro)
	8,945 lbs 4057 kg (diesel syncro)
	9,240 lbs 4191 kg (gas powershift)
	9,560 lbs 4336 kg (diesel powershift)
Ballasted:	13,980 lbs 6341 kg *Diesel Powershift with 18.4-34 rear tires with fluid plus front and rear cast iron weights.

John Deere 4020 Height

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

John Deere 4020 attachments

John Deere 4020 attachments front-end loader Attachment details ...

1963 - 1972

New Generation Series

Row-Crop tractor

John Deere 148 Loader

John Deere 148 Loader
Loader weight:	1350 lbs 612 kg
Height (to pin):	126 inches 320 cm
Clearance, dumped bucket:	102 inches 259 cm
Dump reach:	32 inches 81 cm
Dump angle:	38°
Clearance, level bucket:	121 inches 307 cm
Rollback angle:	11°
Breakout force (lift):	4700 lbs 2131 kg
Lift to full height (at pin):	3100 lbs 1406 kg
Bucket capacity:	0.5 cu yd 0.4 cu m
	0.6 cu yd 0.5 cu m
	0.8 cu yd 0.6 cu m
	0.9 cu yd 0.7 cu m
Bucket width:	60 inches 152 cm
	72 inches 182 cm
	84 inches 213 cm
	96 inches 243 cm

John Deere 158 Loader

John Deere 158 Loader
Loader weight:	1771 lbs 803 kg
Height (to pin):	156 inches 396 cm
Clearance, dumped bucket:	132 inches 335 cm
Dump reach:	32 inches 81 cm
Dump angle:	37°
Clearance, level bucket:	151 inches 383 cm
Rollback angle:	12°
Breakout force (lift):	5000 lbs 2268 kg
Lift to full height (at pin):	3800 lbs 1723 kg
Bucket capacity:	0.5 cu yd 0.4 cu m
	0.6 cu yd 0.5 cu m
	0.8 cu yd 0.6 cu m
	0.9 cu yd 0.7 cu m
Bucket width:	60 inches 152 cm
	72 inches 182 cm
	84 inches 213 cm
	96 inches 243 cm

John Deere 48 Loader

John Deere 48 Loader
Loader weight:	1220 lbs 553 kg
Height (to pin):	126 inches 320 cm
Clearance, dumped bucket:	104 inches 264 cm
Dump reach:	26 inches 66 cm
Dump angle:	39°
Reach at ground:	68 inches 172 cm
Breakout force (lift):	3600 lbs 1632 kg
Lift to full height (at pin):	2400 lbs 1088 kg
Bucket width:	60 inches 152 cm
	72 inches 182 cm

4020 Serial Numbers

4020 Serial Numbers Location:Serial number plate on the rear of the 4020 transmission case.
photo of 4020 serial number
1964:65000
1965:91000
1966:119000
1967:145660
1968:173982
1969:201000
1970:222160
1971:250000
1972:260791
Final:270288

how to read serial numbers...

Electrical

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