john deere 4840
 | 1978 - 1982
Iron Horses SeriesRow-Crop tractor | 1978 - 1982 | Iron Horses Series | Row-Crop tractor |
|---|---|---|---|---|
1978 - 1982 | ||||
Iron Horses Series | ||||
Row-Crop tractor | ||||
1978 - 1982 | |
|---|---|
Iron Horses Series | |
Row-Crop tractor |
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Original price was $57,648 in 1982 | |
John Deere 4840 Engine | |
|---|---|
John Deere 7.6L 6-cyl diesel | |
Engine details ...  |
John Deere 4840 Transmission | |
|---|---|
8-speed full power shift | |
Transmission details ...  |
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. | |
Photos | |
|---|---|
 | |
John Deere 4840 photos...  |
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 PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 118.5 inches
300 cm |
Weight | 14900 to 18000 pounds |
Front tire | 11.00-16 |
Rear tire | 18.4-38 |
Full dimensions and tires ...  | |
4840 Serial Number Location | |
|---|---|
 | |
Serial number plate on the rear of the 4840, above the PTO shaft. |
4840 Serial Numbers | |
|---|---|
1978 | 1000 |
1979 | 4233 |
1980 | 7539 |
1981 | 11042 |
1982 | 14933 |
FAQ: How to read a serial number table. | |
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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