John Deere 4640 VS Fordson Power Major specs comparison

John Deere 4640 1978 comparison online with competitors

John Deere 4640

General Infos
Make John Deere
Model 4640
Country United states
Production From 1978  Until 1982
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual John Deere 4640 Manual

Dimensions, sizes and tires
AG front tires 10.00-16
AG rear tires 24.5-32
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 14350 lbs or 6509 kg
Length 171 inches [434 cm]
Width 96 inches [243 cm]
Height 117 inches [297 cm]
Wheelbase 118.5 inches [300 cm]
Ground clearance 14.9 inches [37 cm]
Turning radius 14.7 feet [4.5 m]
Rear tread size 60 to 131.5 inches
Front tread size 58 to 100 inches
Turning radius -

Horsepower and engin specs
Engine capacity 466 ci or 7.6 L
Cylinders 6 cylinders
Engine power -
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 83 gal or 314.2 L
Oil capacity 20 qts or 18.9 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 4640 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system John Deere PowerShift
Trans type full power shift
Trans gears 8 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering hydrostatic power
Braking system differential hydraulic wet disc
Cabin type Sound-Gard cab standard
Differentiel lock pedal-actuated hydraulic
Hydraulics specifications
System closed center
Valves 2 or 3
Pump flow 23 gpm or 87.1 lpm
SVC flow -
Steering flow -
Tank capacity 16.5 gal or 62.5 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 132.44 hp or 98.8 kW
Fuel consumption 9.8 gal/hour or 37.1 l/hour
Pulling power 15,989 lbs or 7252 kg
Power take-off (PTO) specs
Claimed power 155 hp or 115.6 kW
Real power 157.01 hp or 117.1 kW
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 9.9 gal/hour or 37.5 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III/IIIN
Rear hitch lift 7328 lbs or 3323 kg
Front hitch -
Front hitch lift -

Fordson Power Major 1958 comparison online with competitors

Fordson Power Major

General Infos
Make Fordson
Model Power Major
Country United states
Production From 1958  Until 1961
Price -
Tractor type -
Fuel diesel
Service repair manual Fordson Power Major Manual

Dimensions, sizes and tires
AG front tires 7.50-16
AG rear tires 14-30
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 4,540 lbs or 2059 kg
Length 130.5 inches [331 cm]
Width 65 inches [165 cm]
Height 64.6 inches [164 cm]
Wheelbase 80 inches [203 cm]
Ground clearance -
Turning radius -
Rear tread size 58/62 inches
Front tread size 54 to 78 inches
Turning radius -

Horsepower and engin specs
Engine capacity 199 ci or 3.3 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 17.4 gal or 65.9 L
Oil capacity 7.2 qts or 6.8 L
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Fordson Power Major Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps 144
Ground force positive
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type unsymchronized gear
Trans gears 6 forward and 2 reverse
Clutch system dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering power assist
Braking system differential mechanical shoe
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System gear pump
Valves -
Pump flow 5.65 gpm or 21.4 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2200 psi or 151.7 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 42.63 hp or 31.8 kW
Fuel consumption 3.2 gal/hour or 12.1 l/hour
Pulling power 8,038 lbs or 3646 kg
Power take-off (PTO) specs
Claimed power -
Real power 45.39 hp or 33.8 kW
Engine @RPM 540@1600 (rpm)
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 3.0 gal/hour or 11.4 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

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