General informations and Service Manual
Make
John Deere
Model
8640
Company country
United states
Production years
From 1979 Until 1982
Tractor type
Four wheel Drive (4WD) tractor
Fuel
diesel
Price
-
Total build
-
Service repair manual John Deere 8640 Manual
Dimensions, weight and tires specs
AG front tires
18.4-34
AG rear tires
18.4-34
Weight
28,270 lbs or 12823 kg
Length
223.5 inches [567 cm]
Width
-
Height
126.6 inches [321 cm]
Wheelbase
125 inches [317 cm]
Ground clearance
18.4 inches [46 cm]
Rear tread size
63 to 130 inches
Front tread size
63 to 130 inches
Horsepower and engine specs
Engine size
619 ci or 10.1 L
Number of cylinders
6 cylinders
Horsepower
275 hp or 205.1 kW
Power RPM
2100 (rpm)
Engine torque
-
Engine torque RPM
-
Fuel type
diesel
Fuel tank capacity
214 gal or 810.0 L
Compression ratio
15.2:1
Bore stroke
5.12x5.00 inches or (130 x 127 mm)
Oil tank capacity
26 qts or 24.6 L
Coolant tank capacity
48 qts or 45.4 L
Battery and electrical specs
Number of batteries
2
Battery voltage
6 V
Battery cold cranking Amps
975
Electric ground force
negative
Electric charging system
alternator
Electric charging Amps
90 amps
Engine starter volts
12 V
Parts And Accessories John Deere 8640 Parts
Clutch and transmission specs
Transmission system
John Deere Quad-Range
Transmission type
partial power shift
Transmission gears
16 forward and 6 reverse
Clutch system
hydraulic wet disc
Oil tank capacity
164 qts or 155.2 L
Mechanical and cab specs
Wheel drive
4x4 articulated 4WD
Steering system
articulated power
Braking system
hydraulic wet disc
Cabin type
Cab standard
Differentiel lock
hydraulic front and rear
Hydraulic specs
Hydraulic system
closed center
Number of valves
2
Pump flow rate
33 gpm or 124.9 lpm
Hydraulic tank capacity
41 gal or 155.2 L
Drawbar specs
Drawbar real power
203.34 hp or 151.6 kW
Drawbar fuel consumption
14.5 gal/hour or 54.9 l/hour
Max drawbar pull
27,782 lbs or 12601 kg
Power take-off (PTO) specs
PTO claimed power
225 hp or 167.8 kW
PTO real power
228.75 hp or 170.6 kW
PTO engine @RPM
1000@2100 (rpm)
PTO clutch system
-
Rear PTO system
independent
Rear PTO RPM
1000 (rpm)
Front PTO system
-
PTO fuel consumption
14.7 gal/hour or 55.6 l/hour
3 point hitch specs
Hitch control system
-
Rear hitch
III/IIIN
Rear hitch lift
8545 lbs or 3876 kg
Detailed review of John Deere 8640
John Deere produced its 8640 farm tractor model From 1979 Until 1982 in United states with a Cab standard cabin. service repair manual mechanical and electrical here
