John Deere 4840 VS David Brown 950 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 -

David Brown 950 1958 comparison online with competitors

David Brown 950

General Infos
Make David Brown
Model 950
Country United states
Production From 1958  Until 1959
Price -
Tractor type -
Fuel diesel
Service repair manual David Brown 950 Manual

Dimensions, sizes and tires
AG front tires 6.00-16
AG rear tires 11-32
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 4230 lbs or 1918 kg
Length -
Width -
Height -
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size 52/56/60/64/68/72/76 inches
Front tread size 52/56/60/64/68/72/76 inches
Turning radius -

Horsepower and engin specs
Engine capacity 165 ci or 2.7 L
Cylinders 4 cylinders
Engine power 42.5 hp or 31.7 kW
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 13.75 gal or 52.0 L
Oil capacity 7.8 qts or 7.4 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories David Brown 950 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Twin-Range
Trans type -
Trans gears 6 forward and 2 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive spur gear
Steering manual
Braking system mechanical 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 35 hp or 26.1 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 40 hp or 29.8 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system Implematic draft and depth control
Rear hitch II/I
Rear hitch lift -
Front hitch -
Front hitch lift -

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