John Deere 7020

Production: 1971 - 1975  

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

John Deere 7020 Power
Drawbar (tested):	127.72 hp 95.2 kW
PTO (tested):	146.17 hp 109.0 kW

Mechanical
Chassis:	4x4 articulated 4WD
Steering:	hydrostatic power
Cab:	Cab standard
Transmissions:	8-speed partially synchronized
16-speed partially synchronized

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 RPM:	1000

7020 Serial Numbers
Location:	Serial number plate on the rear of the tractor, above the PTO.
1971:	773R001000
1972:	773R002007
1973:	773R002548
1974:	773R003122
1975:	773R003542
Final:	773R003708

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

Engine Detail
John Deere
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

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