John Deere 7020

The John Deere 7020 is a tractor produced by John Deere. It is equipped with a 404 ci 6.6 L engine. The rated power output is 146.17 hp 109.0 kW. Transmission: Syncro-Range Hi-Lo. Operating weight: 18,495 lbs 8389 kg.

Overview

	1971 - 1975 Four-wheel Drive (4WD) tractor
1971 - 1975
Four-wheel Drive (4WD) tractor

Production
Manufacturer	John Deere
Four-wheel Drive (4WD) tractor
Built in Waterloo, Iowa, USA
Total built	2,586
Original price was $22,000 in 1975

John Deere 7020 Engine
John Deere 6.6L 6-cyl diesel
Engine details ...

John Deere 7020 Power
Drawbar (tested)	127.72 hp 95.2 kW
PTO (tested)	146.17 hp 109.0 kW
Performance test details ...

Mechanical
Four-wheel drive
Steering	hydrostatic power
Cab standard

Capacity
Fuel	156 gal 590.5 L
Hydraulic system	22 gal 83.3 L

Hydraulics
Type	closed center
Capacity	22 gal 83.3 L
Valves	2 (early)
	3 (late)
Pump flow	26 gpm 98.4 lpm

Power Take-off (PTO)
Rear PTO	transmission
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	120 inches 304 cm
Weight	18,495 lbs 8389 kg
Front tire	18.4-34S
Rear tire	18.4-34S
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	Motorola alternator *Early
	Delco alternator *Late
Batteries	2
Battery volts	6

References
The John Deere 20 Series New Generation Tractors by Benjamin Hain

Engine

Engine Detail — 404 ci / 6.6 L Diesel

Manufacturer	John Deere
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled
Displacement	404 ci 6.6 L
Bore/Stroke	4.25x4.75 inches 108 x 121 mm
Air cleaner	dual paper elements with pre-cleaner
Compression	15.7:1
Rated RPM	2200
Firing order	1-5-3-6-2-4
Starter volts	12
Oil capacity	17 qts 16.1 L
Coolant capacity	32 qts 30.3 L

Transmission

Transmission options
8-speed partially synchronized
16-speed partially synchronized

Transmission — Syncro-Range

Transmission	Syncro-Range
Type	partially synchronized
Gears	8 forward and 2 reverse
Oil capacity	88 qts 83.3 L

Transmission — Syncro-Range Hi-Lo

Transmission	Syncro-Range Hi-Lo
Type	partially synchronized
Gears	16 forward and 4 reverse
Eight-speed Deere Synchro-Range transmission with added high and low gears.

Dimensions

John Deere 7020 Tires
Ag front	18.4-34S
Ag rear	18.4-34S

Dimensions
Wheelbase	120 inches 304 cm
Weight	18,495 lbs 8389 kg

Tests

Nebraska Tractor Test 1063
Diesel 16-speed 4WD April 20 - May 4, 1971 Link: Nebraska Tractor Test 1063 file
PTO performance
Power at rated engine speed	146.17 hp 109.0 kW
Fuel use	10.2 gal/hour 38.6 l/hour
Drawbar performance
Max power	127.72 hp 95.2 kW
Fuel use	10.0 gal/hour 37.9 l/hour
Gear 4-Lo used for power test.
Max pull	18,726 lbs 8494 kg
Gear 1-Hi used for pull test.