John Deere 3020

The John Deere 3020 is a tractor produced by John Deere. It is equipped with a 227 ci 3.7 L engine. The rated power output is 11 gal 41.6 L. Transmission: John Deere Powershift. Operating weight: 7139 to 7945 pounds.

Overview

	1964 - 1972 Model year 1964-19681969-1972 New Generation SeriesRow-Crop tractor
1964 - 1972
Model year 1964-19681969-1972
New Generation Series
Row-Crop tractor

Production
Manufacturer	John Deere
Row-Crop tractor
Factories	Waterloo, Iowa, USA
	Mexico
Total built	74,463 (Row Crop)
	6,307 (Standard)
	1,314 (Row-Crop Utility)
	508 (High-Crop)
	324 (Special Utility)
	139 (Orchard)
Original price was $10,000 in 1972

Variants
500	industrial tractor

John Deere 3020 Power
Drawbar (claimed)	57 hp 42.5 kW
PTO (claimed)	70 hp (Syncro-Range) 52.2 kW
	65 hp (Powershift) 48.5 kW
Drawbar (tested)	63.13 hp 47.1 kW
PTO (tested)	71.26 hp 53.1 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	planetary
Differential lock	mechanical rear OptOptional
Steering	power assist
Differential hydraulic wet disc brakes
Open operator station.

Capacity
Fuel	29 gal 109.8 L
LP-Gas Fuel	33.6 gal 127.2 L
Syncro-Range Hydraulic system	8 gal 30.3 L
Power Shift Hydraulic system	11 gal 41.6 L

Hydraulics
Type	closed center
Syncro-Range Capacity	8 gal 30.3 L
Power Shift Capacity	11 gal 41.6 L
Pressure	2100 psi 144.8 bar
Valves	1
SCV flow	6 gpm 22.7 lpm
Total flow	14 gpm 53.0 lpm

Tractor hitch
Rear Type	II

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000 (1.375)
	1000
Engine RPM	540@2100
	1000@2100
Mid PTO Type	1000

Dimensions & Tires
Wheelbase	90 inches 228 cm
Weight	7139 to 7945 pounds
Front tire	6.00-16
Rear tire	13.6-38
Full dimensions and tires ...

Links
Vinson Farm: Photos and specifications on the 3020

Electrical
Ground	positive (12V)
	floating (24V)
Charging system	generator
Batteries	1 (12V)
	2 (24V)
Battery volts	12

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
Operator's Manual 3020 Tractors (OM-R41753) published in 1965
Tractors 1918-1976 published by John Deere*
John Deere Tractors for 68 published in 1968
Modern Farming published in 1965, by John Deere
*Publication contains known errors.

Engine

Engine options
John Deere 3.7L 4-cyl gasoline
John Deere 4.4L 4-cyl diesel
John Deere 3.7L 4-cyl LP gas

Engine Detail — 227 ci / 3.7 L Gasoline

Manufacturer	John Deere
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled inline
Displacement	227 ci 3.7 L
Bore/Stroke	4.25x4.00 inches 108 x 102 mm
Air cleaner	oil bath
Compression	7.5:1
Rated RPM	2500
Operating RPM	1500-2500
Firing order	1-3-4-2
Starter volts	12
Sparkplug gap	0.025 inches 0.635 mm
Point gap	0.022 inches 0.559 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 — 270 ci / 4.4 L Diesel

Manufacturer	John Deere
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled inline
Displacement	270 ci 4.4 L
Bore/Stroke	4.25x4.75 inches 108 x 121 mm
Air cleaner	oil bath
Pre-heating	ether injection
Compression	16.5:1
Rated RPM	2500
Operating RPM	1500-2500
Firing order	1-3-4-2
Starter volts	24
Oil capacity	9 qts 8.5 L
Intake valve clearance	0.018 inches 0.457 mm
Exhaust valve clearance	0.018 inches 0.457 mm

Engine Detail — 227 ci / 3.7 L LP Gas

Manufacturer	John Deere
Fuel Type	LP gas
Configuration	4-cylinder, liquid-cooled inline
Displacement	227 ci 3.7 L
Bore/Stroke	4.25x4.00 inches 108 x 102 mm
Air cleaner	oil bath
Compression	9.0:1
Rated RPM	2500
Operating RPM	1500-2500
Firing order	1-3-4-2
Starter volts	12
Oil capacity	9 qts 8.5 L
Sparkplug gap	0.015 inches 0.381 mm
Point gap	0.022 inches 0.559 mm
Intake valve clearance	0.015 inches 0.381 mm
Exhaust valve clearance	0.028 inches 0.711 mm

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
Clutch	dry disc
Oil capacity	32 qts 30.3 L
With 15.5-38 rear tires.

Transmission — John Deere Powershift

Transmission	John Deere Powershift
Type	full power shift
Gears	8 forward and 4 reverse
Clutch	hydraulic wet disc
Oil capacity	44 qts 41.6 L
With 15.5-38 rear tires.

Dimensions

John Deere 3020 Tires
Ag front	6.00-16
	7.50-15
	7.50-16 (single)
	11.00-12 (single)
Ag rear	13.6-38
	15.5-38

Dimensions
Wheelbase	90 inches 228 cm
Length	138.5 inches 351 cm
Width	89.625 inches 227 cm
Height (steering wheel)	75.5 inches 191 cm
Height (exhaust)	87.5 inches 222 cm
Bar rear axle	3.125 by 91 inches 79 by 2311 mm
Bar rear axle	3.125 by 104 inches 79 by 2641 mm
Bar rear axle	3.125 by 120 inches 79 by 3048 mm
Rear tread	60 to 91 inches 152 to 231 cm
Rear tread	60 to 97 inches 152 to 246 cm (long axle)
Rear tread	60 to 113 inches 152 to 287 cm (extra long axle)

John Deere 3020 Weight
Shipping	7139 lbs (gas) 3238 kg
	7300 lbs (LP-gas) 3311 kg
	7342 lbs (diesel) 3330 kg
Operating	7695 lbs (gas) 3490 kg
	7945 lbs (diesel) 3603 kg
Ballasted	9585 lbs 4347 kg

Tests

Tractor Tests
NTTL 848: diesel Powershift 2WD
NTTL 851: gasoline Powershift 2WD
NTTL 852: LP gas Powershift 2WD
NTTL 940: diesel Syncro-Range 2WD
NTTL 941: gasoline Syncro-Range 2WD
NTTL 942: LP gas Syncro-Range 2WD

Nebraska Tractor Test 848
Diesel Powershift 2WD September 23 - October 2, 1963 Link: Nebraska Tractor Test 848 file
PTO performance
Power at rated engine speed	65.28 hp 48.7 kW
Fuel use	5.1 gal/hour 19.3 l/hour
Power at rated PTO speed	59.25 hp 44.2 kW
Fuel use	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power	54.77 hp 40.8 kW
Fuel use	5.0 gal/hour 18.9 l/hour
Gear 4 used for power test.
Max pull	7536 lbs 3418 kg
Gear 2 used for pull test.

Nebraska Tractor Test 851
Gasoline Powershift 2WD September 30 - October 7, 1963 Link: Nebraska Tractor Test 851 file
PTO performance
Power at rated engine speed	64.14 hp 47.8 kW
Fuel use	6.2 gal/hour 23.5 l/hour
Power at rated PTO speed	59.33 hp 44.2 kW
Fuel use	5.6 gal/hour 21.2 l/hour
Drawbar performance
Max power	54.60 hp 40.7 kW
Fuel use	6.2 gal/hour 23.5 l/hour
Gear 4 used for power test.
Max pull	7,621 lbs 3456 kg
Gear 2 used for pull test.

Nebraska Tractor Test 852
LP gas Powershift 2WD October 2 - 11, 1963 Link: Nebraska Tractor Test 852 file
PTO performance
Power at rated engine speed	64.70 hp 48.2 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated PTO speed	56.34 hp 42.0 kW
Fuel use	6.4 gal/hour 24.2 l/hour
Drawbar performance
Max power	54.50 hp 40.6 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Gear 4 used for power test.
Max pull	7,725 lbs 3504 kg
Gear 2 used for pull test.

Nebraska Tractor Test 940
Diesel Syncro-Range 2WD May 17 - 25, 1966 Link: Nebraska Tractor Test 940 file
PTO performance
Power at rated engine speed	71.26 hp 53.1 kW
Fuel use	5.1 gal/hour 19.3 l/hour
Power at rated PTO speed	64.32 hp 48.0 kW
Fuel use	4.4 gal/hour 16.7 l/hour
Drawbar performance
Max power	61.47 hp 45.8 kW
Fuel use	4.9 gal/hour 18.5 l/hour
Gear 4 used for power test.
Max pull	7596 lbs 3445 kg
Gear 2 used for pull test.

Nebraska Tractor Test 941
Gasoline Syncro-Range 2WD May 31 - June 7, 1966 Link: Nebraska Tractor Test 941 file
PTO performance
Power at rated engine speed	70.59 hp 52.6 kW
Fuel use	6.6 gal/hour 25.0 l/hour
Power at rated PTO speed	64.74 hp 48.3 kW
Fuel use	6.1 gal/hour 23.1 l/hour
Drawbar performance
Max power	61.38 hp 45.8 kW
Fuel use	6.2 gal/hour 23.5 l/hour
Gear 4 used for power test.
Max pull	7558 lbs 3428 kg
Gear 2 used for pull test.

Nebraska Tractor Test 942
LP gas Syncro-Range 2WD May 31 - June 8, 1966 Link: Nebraska Tractor Test 942 file
PTO performance
Power at rated engine speed	70.66 hp 52.7 kW
Fuel use	8.2 gal/hour 31.0 l/hour
Power at rated PTO speed	62.88 hp 46.9 kW
Fuel use	6.7 gal/hour 25.4 l/hour
Drawbar performance
Max power	63.13 hp 47.1 kW
Fuel use	8.1 gal/hour 30.7 l/hour
Gear 4 used for power test.
Max pull	7680 lbs 3483 kg
Gear 2 used for pull test.

Attachments

Attachment overview
John Deere 148 loader
John Deere 146 loader
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