John Deere 8640 VS Massey-Harris 81 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 -

Massey-Harris 81 1941 comparison online with competitors

Massey-Harris 81

General Infos
Make Massey-Harris
Model 81
Country United states
Production From 1941  Until 1946
Price 1,121  USD
Tractor type Row Crop tractor
Fuel gasoline
Service repair manual Massey-Harris 81 Manual

Dimensions, sizes and tires
AG front tires 4.00x15
AG rear tires 9.00x32
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 2,895 lbs or 1313 kg
Length 119 inches [302 cm]
Width -
Height 58 inches [147 cm]
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 123.7 ci or 2.0 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1500 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection Marvel-Schebler TSX-28 carburetor
Fuel tank size 12 gal or 45.4 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 6 V
Parts And Accessories Massey-Harris 81 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 gear
Trans gears 4 forward and 1 reverse
Clutch system dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system -
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 16 hp or 11.9 kW
Drawbar horsepower 20.79 hp or 15.5 kW
Fuel consumption -
Pulling power 2,898 lbs or 1314 kg
Power take-off (PTO) specs
Claimed power 26 hp or 19.4 kW
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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