John Deere 4840 VS David Brown 950 specs comparison

John Deere 4840
General InfosMake | 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 |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | John Deere PowerShift |
Trans type | full power shift |
Trans gears | 8 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | differential hydraulic wet disc |
Cabin type | Sound-Gard cab |
Differentiel lock | pedal-actuated hydraulic |
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 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 |
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 |
Hitch system | - |
Rear hitch | III,IIIN |
Rear hitch lift | 8,295 lbs or 3762 kg |
Front hitch | - |
Front hitch lift | - |

David Brown 950
General InfosMake | 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 |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Twin-Range |
Trans type | - |
Trans gears | 6 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | spur gear |
Steering | manual |
Braking system | mechanical drum |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 35 hp or 26.1 kW |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
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 | - |
Hitch system | Implematic draft and depth control |
Rear hitch | II/I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 4840 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 4840 farm-tractor here
- Get your David Brown 950 manual book version
- Cabine, electrical And mechanical parts for David Brown 950 farm-tractor here