John Deere 4840 VS Jeep CJ-3A specs comparison

John Deere 4840 1978 comparison online with competitors

John Deere 4840

General Infos
Make John Deere
Model 4840
Country United states
Production From 1978  Until 1982
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual John Deere 4840 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 14,900 lbs or 6758 kg
Length 177 inches [449 cm]
Width 96 inches [243 cm]
Height 117 inches [297 cm]
Wheelbase 118.5 inches [300 cm]
Ground clearance -
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 103 gal or 389.9 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 4840 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 power
Braking system differential hydraulic wet disc
Cabin type Sound-Gard cab
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 157 hp or 117.1 kW
Drawbar horsepower 151.21 hp or 112.8 kW
Fuel consumption 11.3 gal/hour or 42.8 l/hour
Pulling power 17,307 lbs or 7850 kg
Power take-off (PTO) specs
Claimed power 180 hp or 134.2 kW
Real power 181.63 hp or 135.4 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 11.5 gal/hour or 43.5 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III,IIIN
Rear hitch lift 8,295 lbs or 3762 kg
Front hitch -
Front hitch lift -

Jeep CJ-3A 1949 comparison online with competitors

Jeep CJ-3A

General Infos
Make Jeep
Model CJ-3A
Country United states
Production From 1949  Until 1953
Price -
Tractor type Truck type tractor
Fuel gasoline
Service repair manual Jeep CJ-3A Manual

Dimensions, sizes and tires
AG front tires 6x16
AG rear tires 6x16
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 2037 lbs or 923 kg
Length 130 inches [330 cm]
Width -
Height 66.75 inches [169 cm]
Wheelbase 80 inches [203 cm]
Ground clearance 8.1 inches [20 cm]
Turning radius -
Rear tread size 48.25 inches
Front tread size 48.25 inches
Turning radius -

Horsepower and engin specs
Engine capacity 134.2 ci or 2.2 L
Cylinders 4 cylinders
Engine power 60 hp or 44.7 kW
Engine RPM 2400 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection carburetor
Fuel tank size -
Oil capacity 5 qts or 4.7 L
Oil change -
Starter motor electric
Starter volts 6 V
Parts And Accessories Jeep CJ-3A Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Borg-Warner T-90
Trans type sliding gear
Trans gears 6 forward and 2 reverse
Clutch system mechanical dry disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering manual
Braking system hydraulic drum
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 -
Drawbar horsepower 25.94 hp or 19.3 kW
Fuel consumption -
Pulling power 2148 lbs or 974 kg
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO optional
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO 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 -

Related tractor comparison


1978 John Deere 4840 competitors and comparison tool online specs and performance
1949 Custom B competitors and comparison tool online specs and performance

John Deere 4840 Custom B

1978 John Deere 4840 competitors and comparison tool online specs and performance
1951 Allis Chalmers HD9 competitors and comparison tool online specs and performance

John Deere 4840 Allis Chalmers HD9

1978 John Deere 4840 competitors and comparison tool online specs and performance
1951 Minneapolis-Moline GTC competitors and comparison tool online specs and performance

John Deere 4840 Minneapolis-Moline GTC

1949 Jeep CJ-3A competitors and comparison tool online specs and performance
1951 Ferguson TEF-20 competitors and comparison tool online specs and performance

Jeep CJ-3A Ferguson TEF-20

1949 Jeep CJ-3A competitors and comparison tool online specs and performance
1949 Oliver 66 Row-Crop competitors and comparison tool online specs and performance

Jeep CJ-3A Oliver 66 Row-Crop

1978 John Deere 4840 competitors and comparison tool online specs and performance
1951 Massey-Harris Pony 812 competitors and comparison tool online specs and performance

John Deere 4840 Massey-Harris Pony 812


Choose another tractor









Useful links and guides ....