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John Deere 7020

John Deere 7020 tractor
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The John Deere 7020 is a four-wheel drive (4WD) tractor produced from 1971 to 1975. It was built in Waterloo, Iowa, USA, with a total production of 2,586 units. The tractor features a John Deere 6.6L 6-cylinder turbocharged intercooled diesel engine, delivering estimated engine power of 162.4 hp to 194.4 hp. It offers 8-speed and 16-speed partially synchronized Syncro-Range transmissions. The 7020 has a tested drawbar power of 127.72 hp and PTO power of 146.17 hp. It includes hydrostatic power steering, a standard cab, and a closed center hydraulic system with 2 or 3 valves depending on the production period. The tractor's fuel capacity is 156 gallons, and it weighs 18,495 lbs with a 120-inch wheelbase. Electrical system features a negative ground with Motorola or Delco alternators depending on the production period. The 7020 is part of the John Deere 20 Series and is related to models 8430, 7520, and WA-14.
John Deere 7020tractor4WDenginetransmissionhorsepowerdimensionshydraulicsPTOfarm tractor
Power162 hp[P]
Founded1971 - 1975
Model7020

Technical Specifications

Detailed specifications and technical data for John Deere 7020

Power

PTO (tested):146.17 hp (109.0 kW)
Drawbar (tested):127.72 hp (95.2 kW)

Engine

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

Capacity

Fuel:156 gal (590.5 L)
Hydraulic system:22 gal (83.3 L)

Dimensions

Weight:18,495 lbs (8389 kg)
Rear tire:18.4-34S
Wheelbase:120 inches (304 cm)
Front tire:18.4-34S

Electrical

Ground:negative
Batteries:2
Battery volts:6
Charging system:Motorola alternator (Early), Delco alternator (Late)

Hydraulics

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

Mechanical

Cab:standard
Drive:Four-wheel drive
Steering:hydrostatic power

Production

Type:Four-wheel Drive (4WD) tractor
Built in:Waterloo, Iowa, USA
Total built:2,586
Manufacturer:John Deere
Original price:$22,000 in 1975
Production years:1971 - 1975

Transmission

Transmission 1

Name:Syncro-Range
Type:partially synchronized
Gears:8 forward and 2 reverse
Oil capacity:88 qts (83.3 L)

Transmission 2

Name:Syncro-Range Hi-Lo
Type:partially synchronized
Gears:16 forward and 4 reverse
Description:Eight-speed Deere Synchro-Range transmission with added high and low gears.
Transmission options:8-speed partially synchronized, 16-speed partially synchronized

Serial Numbers

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

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:1000

Related Models

John Deere 8430

Model:8430

John Deere 7520

Model:7520

John Deere WA-14

Model:WA-14