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John Deere 8640

John Deere 8640 tractor photo
1979 - 1982   Iron Horses Series
Four-wheel Drive (4WD) tractor
Previous model:John Deere 8630
Next model:John Deere 8650
Series back:John Deere 8440



Manufacturer:John Deere
Factory:Waterloo, Iowa, USA
Original price (USD)
   $80,000 (1982 )

John Deere 8640 Engine:

   John Deere 10.1L 6-cyl diesel
full engine details ...


Fuel:214 gal [810.0 L]
Hydraulic system:41 gal [155.2 L]

3-Point Hitch:

Rear Type:III/IIIN
Rear lift:8545 lbs [3876 kg]

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:1000
Engine RPM:1000@2100

Dimensions & Tires:

Wheelbase:125 inches [317 cm]
Weight:28,270 lbs [12823 kg]
Front tire:18.4-34
Rear tire:18.4-34
full dimensions and tires ...

8640 Serial Numbers:

Location:On the tractor transmission case, rear.
photo of 8640 serial number

1979: 1500
1980: 3198
1981: 5704
1982: 7960

how to read serial numbers...


John Deere 8640 Power:

Engine:275 hp [205.1 kW]
PTO (claimed):225 hp [167.8 kW]
Drawbar (tested):203.34 hp [151.6 kW]
PTO (tested):228.75 hp [170.6 kW]
power test details ...


Chassis:4x4 articulated 4WD
Differential lock:hydraulic front and rear
Steering:articulated power
Brakes:hydraulic wet disc
Cab:Cab standard


Type:closed center
Capacity:41 gal [155.2 L]
Pump flow:33 gpm [124.9 lpm]


Charging system:alternator
Charging amps:90


Cold-cranking amps:975

Page information:

Last update:November 12, 2016
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