John Deere 8640 VS White Field Boss 31 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 -

White Field Boss 31 1986 comparison online with competitors

White Field Boss 31

General Infos
Make White
Model Field Boss 31
Country United states
Production From 1986  Until 1988
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual White Field Boss 31 Manual

Dimensions, sizes and tires
AG front tires 5.00-15
AG rear tires 11.2-2
Lawn front tires 24x8.50-12 (2WD)
Lawn rear tires 24x8.50-12 (2WD)
Indus front tires -
Indus rear tires -
Weight 2215 lbs or 1004 kg
Length 116 inches [294 cm]
Width 52 inches [132 cm]
Height -
Wheelbase 65 inches [165 cm]
Ground clearance -
Turning radius -
Rear tread size 40.2 to 52.8 inches
Front tread size 37.8 to 41.7 inches
Turning radius -

Horsepower and engin specs
Engine capacity 91.4 ci or 1.5 L
Cylinders 3 cylinders
Engine power 30 hp or 22.4 kW
Engine RPM 2600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 7.4 gal or 28.0 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories White Field Boss 31 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system alternator
Charging Volts -
Charging Amps 35 amps
Clutch and gearbox specs
Trans system Triple-sync
Trans type partially synchronized
Trans gears 12 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual (2WD)
Braking system mechanical wet discs
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2135 psi or 147.2 bar
Max flow 7.7 gpm or 29.1 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 25 hp or 18.6 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO live
Front PTO RPM 2600 (rpm)
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

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