Specifications
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| Model information | |
| Production years | 1963 - 1972 |
| Series | New Generation Series |
| Equipment type | Row-Crop tractor |
| Production | |
| Manufacturer | John Deere |
| Equipment type | Row-Crop tractor |
| Factories | Waterloo, Iowa, USA
Mexico
|
| Total built | 184,879 (total)
8,123 (gas)
8,445 (LP)
168,311 (diesel)
17,732 (standard)
|
| Original price | Original price was $10,345 in 1972 |
| John Deere 4020 Engines | |
| Engine | John Deere 6.6L 6-cyl diesel John Deere 5.6L 6-cyl gasoline John Deere 5.9L 6-cyl gasoline John Deere 5.9L 6-cyl LP gas |
| Details | Engine details ... |
| John Deere 4020 Transmissions | |
| Transmission | 8-speed partially synchronized 8-speed full power shift |
| Details | Transmission details ... |
| John Deere 4020 Power | |
| Drawbar (tested) | 83.79 hp 62.5 kW |
| PTO (tested) | 95.83 hp 71.5 kW |
| Details | Performance test details ... |
| Mechanical | |
| Drive | 4x2 2WD
4x4 HFWD 4WD *Front-wheel assist was optional after 1969. |
| Differential lock | mechanical rear (optional) |
| Steering | Power steering |
| Brakes | Hydraulic wet disc brakes |
| Cab / ROPS | Open operator station. Cab optional. |
| Capacity | |
| Gasoline Fuel | 34 gal 128.7 L |
| Diesel Fuel | 34 gal 128.7 L |
| LP-gas Fuel | 45 gal 170.3 L |
| Syncro-Range Hydraulic system | 10 gal 37.9 L |
| Power Shift Hydraulic system | 12 gal 45.4 L |
| Hydraulics | |
| Type | closed center |
| Syncro-Range Capacity | 10 gal 37.9 L |
| Power Shift Capacity | 12 gal 45.4 L |
| Pressure | 2250 psi 155.1 bar |
| Valves | 1 |
| SCV flow | 6 gpm 22.7 lpm |
| Total flow | 18 gpm (early) 68.1 lpm |
| Tractor hitch | |
| Rear Type | II |
| Rear lift | 3790 lbs 1719 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375)
1000 (1.375)
|
| Engine RPM | 540@1900
1000@1900
|
| Front PTO | independent |
| Front PTO Type | 1000 |
| Engine RPM | 1000@1900 |
| Dimensions & Tires | |
| Row crop Wheelbase | 97.5 inches 247 cm |
| Standard Wheelbase | 100.25 inches 254 cm |
| Weight | 8225 to 9560 pounds |
| Front tire | 6.00-16 |
| Rear tire | 15.5-38 |
| Details | Full dimensions and tires ... |
| John Deere 4020 attachments | |
| Attachment | front-end loader |
| Details | Attachment details ... |
| 4020 Serial Number Location | |
| Location | Serial number plate on the rear of the 4020 transmission case. |
| 4020 Serial Numbers | |
| 1964 | 65000 |
| 1965 | 91000 |
| 1966 | 119000 |
| 1967 | 145660 |
| 1968 | 173982 |
| 1969 | 201000 |
| 1970 | 222160 |
| 1971 | 250000 |
| 1972 | 260791 |
| Final | 270288 |
| Details | FAQ: How to read a serial number table. |
| Electrical | |
| Ground | positive (1964-1969)
negative (1969-1972)
floating (24V)
|
| Charging system | Motorola alternator |
| Charging amps | 55 |
| Batteries | 2 (24V system)
1 (12V system)
|
| Battery volts | 12 |
| Battery AH | 75 |
| References | |
| Publication | The John Deere 20 Series New Generation Tractors by Benjamin Hain Designing the New Generation John Deere Tractors by Merle Miller 2510, 3020, 4020 Row-crop Tractors published in 1965, by John Deere Tractors 1918-1976 published by John Deere* John Deere Tractors for 68 published in 1968 Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere Modern Farming published in 1965, by John Deere |
| Publication caveat | *Publication contains known errors. |
| Publication | Operator's Manual 4000 and 4020 (OM-R46934) published in 1969 Operator's Manual 4000 and 4020 (OM-R48273) published in 1971 Operator's Manual 4020 (OM-R34410) published in 1963 Operator's Manual 4020 (OM-R39669) published in 1965 Operator's Manual 4020 (OM-R41754) published in 1969 Operator's Manual 4020 (OM-R44920) published in 1969 |
Values may vary by engine, transmission or configuration. View source page
Model family
Series map
- 4000107.7 hp*
- 4020 Current model101.3 hp*
- 127.8 hp*
*Estimated engine power for comparison only.