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 John Deere 3020 is equipped with one of three engines: a 3.7 L four-cylinder gasoline engine, a 3.7 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 3.7 L, 3,720 cm2, (227.0 cu·in) four-cylinder natural aspirated gasoline engine with 108.0 mm (4.25 in) of the cylinder bore and 102.0 mm (4.02 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 3.7 L, 3,720 cm2, (227.0 cu·in) four-cylinder natural aspirated gasoline engine with 108.0 mm (4.25 in) of the cylinder bore and 102.0 mm (4.02 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 JD 3020 row-crop tractor:
- John Deere 148 loader
- John Deere 146 loader
- John Deere 48 loader
John Deere 3020 Specifications
| General Specifications | |
| Model | John Deere 3020 |
| Length | 3,510 mm (138.2 in) |
| Width | 2,270 mm (89.4 in) |
| Height | 2,220 mm (87.4 in) |
| Wheel base | 2,280 mm (89.8 in) |
| Weight |
Gas: 3,490 kg (7,694 lbs) Diesel: 3,603 kg (7,945 lbs) |
| Fuel tank capacity |
Gas: 109.8 liters (29 US gal.; 24.2 Imp. gal) LP-gas: 127.2 liters (33.6 US gal, 28 Imp. gal) |
| Battery | Gas: 12V or diesel: 24V (2x12V) |
| Cabin type | Open operator station |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Gasoline |
| Displacement | 3.7 L, 3720 cm2, (227.0 cu·in) |
| Bore and stroke | 108.0 mm X 102.0 mm (4.25 in X 4.02 in) |
| Compression ratio | 7.5:1 |
| Horsepower | – |
| Starter | Electric |
| Oil type | SAE 10W-30 |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Spark plug gap | 0.635 mm (0.025 in) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | Diesel |
| Displacement | 4.4 L, 4425 cm2, (270.0 cu·in) |
| Bore and stroke | 108.0 mm X 121.0 mm (4.25 in X 4.76 in) |
| Compression ratio | 16.5:1 |
| Horsepower | – |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 4 |
| Fuel type | LP-gas |
| Displacement | 3.7 L, 3720 cm2, (227.0 cu·in) |
| Bore and stroke | 108.0 mm X 102.0 mm (4.25 in X 4.02 in) |
| Compression ratio | 9.0:1 |
| Horsepower | – |
| Starter | Electric |
| Oil type | SAE 10W-30 |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Spark plug gap | 0.381 mm (0.015 in) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Power assist |
| Brakes | Differential hydraulic wet disc |
| Differential lock | Rear optional |
| Transmission model | John Deere Syncro-Range |
| Transmission type | Partially synchronized with dry disc clutch |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 28.3 kmh (17.6 mph) Reverse: 10.0 (6.2 mph) |
| Transmission oil capacity | 30.3 L (8 US. gal, 6.7 Imp. gal.) |
| Transmission model | John Deere Powershift |
| Transmission type | Full power shift with hydraulic wet disc clutch |
| Gears | 8 forward and 4 reverse |
| Speed | Forward: 31.4 kmh (19.5 mph) Reverse: 10.0 (6.2 mph) |
| Transmission oil capacity | 41.6 L (11 US. gal, 9.2 Imp. gal.) |
| Tires | |
| Front tires | Ag: 6.00-16, 7.50-15 |
| Rear tires | Ag: 13.6-38, 15.5-38 |
| Three-Point Hitch | |
| Caterogy | II |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Middle PTO type | – |
| Middle PTO spped | 1,000 rpm |
| Rear PTO type | Independent |
| Rear PTO spped | 540/1000, 1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Pressure | 2100 psi (144.8 bar) |
| Valves | 1 |
| Total flow | 14.0 gpm (53 lpm) |
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