John Deere
3020
Farm tractor · 1964–1972 · 77 hp
John Deere3020
The John Deere 3020 is a farm tractor manufactured from 1964 to 1972. It features a John Deere 3.9L 4-cylinder gasoline engine, and power assist steering. The transmission is a partially synchronized type with 8 forward and 2 reverse.
Engine
| Engine | John Deere 3.9L 4-cylinder gasoline |
|---|---|
| Fuel Type | gasoline |
| Cylinders | 4 |
| Cooling | liquid-cooled |
| Displacement | 241 ci (3.9 L) |
| Bore | 4.25 in (108 mm) |
| Stroke | 4.25 in (108 mm) |
| Compression Ratio | 7.5 |
| Power PTO | 71.37 hp (53.2 kW) |
| Power Drawbar | 61.47 hp (45.8 kW) |
| Air Cleaner | oil bath |
| Starter Volts | 12 |
| Oil Capacity | 9 qts (8.5 L) |
| Manufacturer | John Deere |
| Rated | 2,500 RPM |
| Firing Order | 1-3-4-2 |
Transmission
| Transmission Type | partially synchronized |
|---|---|
| Transmission Model | John Deere Syncro-Range |
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Oil Capacity | 32 qts (30.3 L) |
| Available Options | 8-speed partially synchronized, 8-speed full power shift |
Hydraulics
| Type | closed center |
|---|---|
| Pressure | 2,100 psi (144.8 bar) |
| Valves | 3 |
| Total Flow | 20 gpm (75.7 lpm) |
| Scv Flow | 6 gpm (22.7 lpm) |
Hitch
| Rear Type | II |
|---|
Dimensions
| Length | 138.5 in (351 cm) |
|---|---|
| Width | 89.63 in (227 cm) |
| Height | 66.5 in (168 cm) |
| Wheelbase | 90 in (228 cm) |
Weight
diesel
| Operating | 7,945 lbs (3,603 kg) |
|---|
gas
| Operating | 7,695 lbs (3,490 kg) |
|---|
primary
| Ballasted | 9,585 lbs (4,347 kg) |
|---|
Tires & Tracks
| Front Ag | 6.00-16, 7.50-15, 7.50-16, 11.00-12 |
|---|---|
| Rear Ag | 13.6-38, 15.5-38 |
Fuel
| Capacity | 29 gal (109.8 L) |
|---|
Steering
| Type | power assist |
|---|