John Deere 4840
| | 1978 - 1982 |
| Iron Horses Series | | Row-Crop tractor |
|
Series map:
4640
4840
172.2hp
200.0hp
| Production |
| Manufacturer | John Deere
|
| Row-Crop tractor |
| Built in Waterloo, Iowa, USA |
| Original price was $57,648 in 1982 |
| John Deere 4840 Power |
| Drawbar (claimed) | 157 hp
117.1 kW
|
| PTO (claimed) | 180 hp
134.2 kW
|
| Drawbar (tested) | 151.21 hp
112.8 kW
|
| PTO (tested) | 180.63 hp
134.7 kW
|
 Performance test details ... |
| Mechanical |
| Two-wheel drive |
| Differential lock | pedal-actuated hydraulic
|
| Power steering |
| Differential hydraulic wet disc brakes |
| Sound-Gard cab. |
| Capacity |
| Fuel | 103 gal
389.9 L
|
| Hydraulic system | 16.5 gal
62.5 L
|
| Hydraulics |
| Type | closed center
|
| Capacity | 16.5 gal
62.5 L
|
| Valves | 2 or 3
|
| Pump flow | 23 gpm
87.1 lpm
|
| Tractor hitch |
| Rear Type | III/IIIN
|
| Rear lift | 8295 lbs
3762 kg
|
| Power Take-off (PTO) |
| Rear PTO | independent
|
| Rear RPM | 1000 (1.75)
|
| 4840 Serial Location |
 |
| Serial number plate on the rear of the 4840, above the PTO shaft. |
| Electrical |
| Ground | negative
|
| Charging system | alternator
|
| Batteries | 2
|
| Battery volts | 6
|
| References |
 |
| The New Iron Horses published in 1978, by John Deere |
| Tractors 90 to 180 HP published in 1979, by John Deere |
| Tractors 90, 110, 130, 155, 180 HP published in 1979, by John Deere |
| Row-Crop Tractors Product Information Handbook published in 1977, by John Deere |
| 40 Series Row-Crop Tractors Product Information Handbook published in 1982, by John Deere |
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Engine details ...
Transmission details ...
John Deere 4840 photos...
Full dimensions and tires ...