John Deere 8640 VS Allis Chalmers 5020 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 -

Allis Chalmers 5020 1977 comparison online with competitors

Allis Chalmers 5020

General Infos
Make Allis Chalmers
Model 5020
Country United states
Production From 1977  Until 1985
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual Allis Chalmers 5020 Manual

Dimensions, sizes and tires
AG front tires 5.00-15 (2WD)
AG rear tires 9.5-24
Lawn front tires 20x8.00-10
Lawn rear tires 20x8.00-10
Indus front tires -
Indus rear tires -
Weight 1900 lbs or 861 kg
Length 98.9 inches [251 cm]
Width 48 inches [121 cm]
Height 85 inches [215 cm]
Wheelbase 59.8 inches [151 cm]
Ground clearance -
Turning radius -
Rear tread size 39.2/51 inches
Front tread size 38.6 inches
Turning radius -

Horsepower and engin specs
Engine capacity 77.1 ci or 1.3 L
Cylinders 2 cylinders
Engine power 25 hp or 18.6 kW
Engine RPM 2500 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 7 gal or 26.5 L
Oil capacity 5 qts or 4.7 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Allis Chalmers 5020 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps 70 amps
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 15 amps
Clutch and gearbox specs
Trans system sliding gear
Trans type -
Trans gears 12 forward and 3 reverse
Clutch system 215mm dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system differential mechanical drum and shoe
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves 0 or 1
Pump flow 5.44 gpm or 20.6 lpm
SVC flow -
Steering flow -
Tank capacity 5.5 gal or 20.8 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 17 hp or 12.7 kW
Drawbar horsepower 17.37 hp or 13.0 kW
Fuel consumption 1.6 gal/hour or 6.1 l/hour
Pulling power 2,346 lbs or 1064 kg
Power take-off (PTO) specs
Claimed power 21 hp or 15.7 kW
Real power 20.78 hp or 15.5 kW
Engine @RPM 540@2320 (rpm)
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 1.5 gal/hour or 5.7 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

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