John Deere 8020
The John Deere 8020 is a four-wheel drive (4WD) tractor produced from 1961 to 1964. It was introduced after problems occurred with the 8010 model. The 8020s were model 8010 tractors rebuilt with a new transmission. Built in Waterloo, Iowa, USA, a total of 85 units were rebuilt into 8020s from 8010s. It features a Detroit Diesel 7.0L 6-cylinder liquid-cooled inline engine producing 215 hp, an 8-speed gear transmission, and planetary final drives. The tractor has articulated power steering, pneumatic drum brakes, and an open operator station. It has a fuel capacity of 106 gallons and a hydraulic system capacity of 25 gallons with a pump flow of 40 gpm (optional 60 gpm). Dimensions include a 120 inch wheelbase, 238 inch length, 96 inch width, and weights of 19700 lbs unballasted and 26350 lbs ballasted. Tires are 23.1-26 for agricultural front and rear, and 18.00x25 for industrial front and rear. Electrical system uses a 24 volt generator charging system.
Power215 hp
Founded1961 - 1964
Model8020
Technical Specifications
Detailed specifications and technical data for John Deere 8020
Power
| Engine | 215 hp (160.3 kW) |
|---|---|
| Drawbar (claimed) | 150 hp (111.9 kW) |
Tires
| Ag rear | 23.1-26 |
|---|---|
| Ag front | 23.1-26 |
| Industrial rear | 18.00x25 |
| Industrial front | 18.00x25 |
Engine
| Type | diesel |
|---|---|
| Model | Detroit Diesel 6-71 |
| Power | 215 hp (160.3 kW) |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 6-cylinder |
| Rated RPM | 2100 |
| Bore/Stroke | 4.25x5.00 inches (108 x 127 mm) |
| Compression | 17:1 |
| Displacement | 425 ci (7.0 L) |
| Oil capacity | 18 qts (17.0 L) |
| Starter volts | 24 |
| Coolant capacity | 48 qts (45.4 L) |
Capacity
| Fuel | 106 gal (401.2 L) |
|---|---|
| Hydraulic system | 25 gal (94.6 L) |
Dimensions
| Width | 96 inches (243 cm) |
|---|---|
| Length | 238 inches (604 cm) |
| Weight | 19700 lbs (8935 kg) |
| Wheelbase | 120 inches (304 cm) |
| Ballasted weight | 26350 lbs (11952 kg) |
| Height (exhaust) | 112.5 inches (285 cm) |
| Height (steering wheel) | 99 inches (251 cm) |
Electrical
| Charging volts | 24 |
|---|---|
| Charging system | generator |
Hydraulics
| Capacity | 25 gal (94.6 L) |
|---|---|
| Pump flow | 40 gpm (151.4 lpm) |
| Optional pump flow | 60 gpm (227.1 lpm) |
Mechanical
| Drive | Four-wheel drive |
|---|---|
| Brakes | Pneumatic drum brakes |
| Steering | Articulated power steering |
| Final drives | planetary |
| Operator station | Open operator station |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Notes | The 8020 was introduced after problems occurred with the 8010. The 8020s were model 8010 tractors rebuilt with a new transmission. |
| Built in | Waterloo, Iowa, USA |
| Total built | 85 (Out of 100 built, records show 85 model 8010 tractors rebuilt into 8020s. At least one original 8010 is known to survive. It is unknown what happened to the other 14.) |
| Years produced | 1961 - 1964 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
Serial Numbers
| 1961 | 1000 |
|---|
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