John Deere 4640 VS Allis Chalmers CA 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 -

Allis Chalmers CA 1950 comparison online with competitors

Allis Chalmers CA

General Infos
Make Allis Chalmers
Model CA
Country United states
Production From 1950  Until 1958
Price -
Tractor type Row Crop tractor
Fuel gasoline
Service repair manual Allis Chalmers CA Manual

Dimensions, sizes and tires
AG front tires 5.00-15
AG rear tires 10-24
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 2,835 lbs or 1285 kg
Length 125 inches [317 cm]
Width -
Height 73 inches [185 cm]
Wheelbase 82 inches [208 cm]
Ground clearance -
Turning radius -
Rear tread size 52 to 80 inches
Front tread size 6.25/13 inches
Turning radius -

Horsepower and engin specs
Engine capacity 125.2 ci or 2.1 L
Cylinders 4 cylinders 8 valves
Engine power -
Engine RPM 1650 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection -
Fuel tank size 13 gal or 49.2 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 6 V
Parts And Accessories Allis Chalmers CA Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps 95 amps
Cold Amps -
Ground force positive
Charging system generator
Charging Volts -
Charging Amps 10 amps
Clutch and gearbox specs
Trans system -
Trans type non-synchronized
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 differential mechanical contracting band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity 2 gal or 7.6 L
Hydraulic pressure 3200 psi or 220.6 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 18 hp or 13.4 kW
Drawbar horsepower 22.97 hp or 17.1 kW
Fuel consumption -
Pulling power 3,557 lbs or 1613 kg
Power take-off (PTO) specs
Claimed power 23 hp or 17.2 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO live
Rear PTO RPM 538 (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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