John Deere 8640 VS Corbitt K-50 specs comparison

John Deere 8640 1979 comparison online with competitors

John Deere 8640

General Infos
Make John Deere
Model 8640
Country United states
Production From 1979  Until 1982
Price -
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual John Deere 8640 Manual

Dimensions, sizes and tires
AG front tires 18.4-34
AG rear tires 18.4-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
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]
Turning radius -
Rear tread size 63 to 130 inches
Front tread size 63 to 130 inches
Turning radius -

Horsepower and engin specs
Engine capacity 619 ci or 10.1 L
Cylinders 6 cylinders
Engine power 275 hp or 205.1 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 214 gal or 810.0 L
Oil capacity 26 qts or 24.6 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 8640 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps 975
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 90 amps
Clutch and gearbox specs
Trans system John Deere Quad-Range
Trans type partial power shift
Trans gears 16 forward and 6 reverse
Clutch system hydraulic wet disc
Cabine and mechanical specs
Wheel drive 4x4 articulated 4WD
Final drive -
Steering articulated power
Braking system hydraulic wet disc
Cabin type Cab standard
Differentiel lock hydraulic front and rear
Hydraulics specifications
System closed center
Valves 2
Pump flow 33 gpm or 124.9 lpm
SVC flow -
Steering flow -
Tank capacity 41 gal or 155.2 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 203.34 hp or 151.6 kW
Fuel consumption 14.5 gal/hour or 54.9 l/hour
Pulling power 27,782 lbs or 12601 kg
Power take-off (PTO) specs
Claimed power 225 hp or 167.8 kW
Real power 228.75 hp or 170.6 kW
Engine @RPM 1000@2100 (rpm)
PTO Clutch -
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 14.7 gal/hour or 55.6 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III/IIIN
Rear hitch lift 8545 lbs or 3876 kg
Front hitch -
Front hitch lift -

Corbitt K-50 1949 comparison online with competitors

Corbitt K-50

General Infos
Make Corbitt
Model K-50
Country United states
Production From 1949  Until 1952
Price -
Tractor type -
Fuel kerosene
Service repair manual Corbitt K-50 Manual

Dimensions, sizes and tires
AG front tires 5.5x16
AG rear tires 10x38
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 3,567 lbs or 1617 kg
Length 128 inches [325 cm]
Width -
Height 69.5 inches [176 cm]
Wheelbase 86 inches [218 cm]
Ground clearance -
Turning radius -
Rear tread size 56 to 84 inches
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 201 ci or 3.3 L
Cylinders 4 cylinders
Engine power -
Engine RPM -
Torque -
Torque RPM -
Fuel type kerosene
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor -
Starter volts 6 V
Parts And Accessories Corbitt K-50 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type unsynchronized
Trans gears 4 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering -
Braking system differential mechanical drum
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 30.74 hp or 22.9 kW
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

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