John Deere 3020 (1969-1972)

John Deere 3020 (1969-1972)The John Deere 3020 is a 2WD row-crop tractor from the New Generation series. This tractor was manufactured by the John Deere in Waterloo, Iowa, USA and Mexico from 1964 to 1972. The first generation was manufactured from 1964 to 1968, and the second generation from 1969 to 1972.

The second generation of the John Deere 3020 is equipped with one of three engines: a 3.9 L four-cylinder gasoline engine, a 3.9 L four-cylinder LP-gas engine or a 4.4 L four-cylinder diesel engine and one of two transmissions: partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears or full powershift transmission with hydraulic wet disc clutch and 8 forward and 4 reverse gears.

This tractor could be equipped with the following engines:

  • John Deere gasoline engine. It is a 3.9 L, 3,949 cm2, (241.0 cu·in) four-cylinder natural aspirated gasoline engine with 108.0 mm (4.25 in) of the cylinder bore and 108.0 mm (4.25 in) of the piston stroke. The compression ratio rating is 7.5:1.
  • John Deere diesel engine. It is a 4.4 L, 4,425 cm2, (270.0 cu·in) four-cylinder natural aspirated diesel engine. The cylinder bore is 108.0 mm (4.25 in) and the piston stroke is 121.0 mm (4.76 in). The compression ratio ratin is 16.5:1.
  • John Deere LP-gas engine. It is a 3.9 L, 3,949 cm2, (241.0 cu·in) four-cylinder natural aspirated gasoline engine with 108.0 mm (4.25 in) of the cylinder bore and 108.0 mm (4.25 in) of the piston stroke. The compression ratio rating is 9.0:1.

The JD 3020 is equipped with power-assist steering, differential hydraulic wet disc brakes, open operator station and 109.8 liters (29 US gal.; 24.2 Imp. gal) fuel tank.

Following attachments are available for the John Deere 3020 row-crop tractor:

  • John Deere 148 loader
  • John Deere 146 loader
  • John Deere 48 loader

John Deere 3020 Specifications

General Specifications
ModelJohn Deere 3020
Length3,510 mm (138.2 in)
Width2,270 mm (89.4 in)
Height2,220 mm (87.4 in)
Wheel base2,280 mm (89.8 in)
Weight Gas: 3,490 kg (7,694 lbs)
Diesel: 3,603 kg (7,945 lbs)
Fuel tank capacity109.8 liters (29 US gal.; 24.2 Imp. gal)
BatteryGas: 12V or diesel: 24V (2x12V)
Cabin typeOpen operator station
Engine
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeGasoline
Displacement3.9 L, 3,949 cm2, (241.0 cu·in)
Bore and stroke108.0 mm X 108.0 mm (4.25 in X 4.25 in)
Compression ratio 7.5:1
Horsepower
StarterElectric
Oil typeSAE 10W-30
Oil capacity:8.5 L (9 US. qt, 7.5 Imp. qt.)
Engine
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeDiesel
Displacement4.4 L, 4,425 cm2, (270.0 cu·in)
Bore and stroke108.0 mm X 121.0 mm (4.25 in X 4.76 in)
Compression ratio16.5:1
Horsepower
StarterElectric
Oil capacity:8.5 L (9 US. qt, 7.5 Imp. qt.)
Engine
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Cylinders4
Fuel typeLP-gas
Displacement3.9 L, 3,949 cm2, (241.0 cu·in)
Bore and stroke108.0 mm X 108.0 mm (4.25 in X 4.25 in)
Compression ratio9.0:1
Horsepower
StarterElectric
Oil typeSAE 10W-30
Oil capacity:8.5 L (9 US. qt, 7.5 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typePower assist
BrakesDifferential hydraulic wet disc
Differential lockRear optional
Transmission modelJohn Deere Syncro-Range
Transmission typePartially synchronized with dry disc clutch
Gears8 forward and 2 reverse
Speed Forward: 28.3 kmh (17.6 mph) Reverse: 10.0 (6.2 mph)
Transmission oil capacity30.3 L (8 US. gal, 6.7 Imp. gal.)
Transmission modelJohn Deere Powershift
Transmission typeFull power shift with hydraulic wet disc clutch
Gears8 forward and 4 reverse
Speed Forward: 31.4 kmh (19.5 mph) Reverse: 10.0 (6.2 mph)
Transmission oil capacity41.6 L (11 US. gal, 9.2 Imp. gal.)
Tires
Front tiresAg: 6.00-16, 7.50-15
Rear tiresAg: 13.6-38, 15.5-38
Three-Point Hitch
CaterogyII
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO spped540/1000, 1000 rpm
Hydraulic system
Hydraulic typeClosed center
Pressure2100 psi (144.8 bar)
Valves1 to 3
Total flow20.0 gpm (75.7 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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