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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