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John Deere 4640

John Deere 4640 tractor photo
1978 - 1982   Iron Horses Series
Row-Crop tractor
Next model:John Deere 4650
Series next:John Deere 4840
Series back:John Deere 4440



Manufacturer:John Deere
Factory:Waterloo, Iowa, USA
Original price (USD)
   $51.500 (1982 )

John Deere 4640 Engine:

   John Deere 7.6L 6-cyl diesel
full engine details ...


Fuel:83 gal [314.2 L]
Hydraulic system:16.5 gal [62.5 L]

3-Point Hitch:

Rear Type:III/IIIN
Rear lift:7328 lbs [3323 kg]

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:1000 (1.75)

Dimensions & Tires:

Wheelbase:118.5 inches [300 cm]
Weight:14350 to 15700 pounds
Front tire:11.00-16
Rear tire:18.4-38
full dimensions and tires ...

John Deere 4640 attachments:

 front-end loader
all 4640 attachments ...

4640 Serial Numbers:

Location:Rear of transmission case
photo of 4640 serial number

1978: 1000
1979: 7422
1980: 13860
1981: 19459
1982: 25729

how to read serial numbers...


John Deere 4640 Power:

PTO (claimed):155 hp [115.6 kW]
Drawbar (tested):132.44 hp [98.8 kW]
PTO (tested):156.30 hp [116.6 kW]
power test details ...


Chassis:4x2 2WD
 4x4 HFWD 4WD
Differential lock:pedal-actuated hydraulic
Steering:hydrostatic power
Brakes:differential hydraulic wet disc
Cab:Sound-Gard cab standard.


Type:closed center
Capacity:16.5 gal [62.5 L]
Valves:2 or 3
Pump flow:23 gpm [87.1 lpm]


Charging system:alternator



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Last update:September 14, 2017
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