John Deere 4640 VS Hart-Parr 28-50 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 -

Hart-Parr 28-50 1927 comparison online with competitors

Hart-Parr 28-50

General Infos
Make Hart-Parr
Model 28-50
Country United states
Production From 1927  Until 1930
Price 2085  USD
Tractor type -
Fuel gasoline
Service repair manual Hart-Parr 28-50 Manual

Dimensions, sizes and tires
AG front tires 28x7 steel
AG rear tires 51x14 steel
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 8600 lbs or 3900 kg
Length -
Width -
Height -
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 675.1 ci or 11.1 L
Cylinders 4 cylinders
Engine power -
Engine RPM 850 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Hart-Parr 28-50 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system gear
Trans type -
Trans gears 2 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive -
Final drive -
Steering -
Braking system -
Cabin type -
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 28 hp or 20.9 kW
Drawbar horsepower 46 hp or 34.3 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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