| Production |
| Manufacturer: | John Deere
|
| Type: | Row-Crop tractor
|
| Factory: | Waterloo, Iowa, USA
|
| Original price: | $57,648 (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
|
| Mechanical |
| Chassis: | 4x2 2WD
|
| Differential lock: | pedal-actuated hydraulic
|
| Steering: | power
|
| Brakes: | differential hydraulic wet disc
|
| Cab: | Sound-Gard cab.
|
| Transmission: | 8-speed full power shift
|
| 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 RPM: | 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 Numbers |
| Location: | Serial number plate on the rear of the 4840, above the PTO shaft.
|
photo of 4840 serial number
| | 1978: | 1000
|
| 1979: | 4233
|
| 1980: | 7539
|
| 1981: | 11042
|
| 1982: | 14933
|
how to read serial numbers...
|
| Electrical |
| Ground: | negative
|
| Charging system: | alternator
|
| Batteries: | 2
|
| Battery volts: | 6
|
|
