John Deere 3420 VS David Brown 950 specs comparison

John Deere 3420
General InfosMake | John Deere |
Model | 3420 |
Country | United states |
Production | From 1970 Until 1975 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | John Deere 3420 Manual |
Dimensions, sizes and tires
AG front tires | 7.50x18 |
AG rear tires | 13.6x38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7668 lbs or 3478 kg |
Length | 161 inches [408 cm] |
Width | - |
Height | - |
Wheelbase | 100.4 inches [255 cm] |
Ground clearance | 13.4 inches [34 cm] |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 302.7 ci or 5.0 L |
Cylinders | 6 cylinders |
Engine power | 77 hp or 57.4 kW |
Engine RPM | 2500 (rpm) |
Torque | 221 lb-ft or 299.7 Nm | Torque RPM | 1250 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 34.1 gal or 129.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 3420 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 28 amps |
Trans system | Syncro-Range |
Trans type | - |
Trans gears | 8 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | closed center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | - |
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 3420 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 3420 farm-tractor here
- Get your David Brown 950 manual book version
- Cabine, electrical And mechanical parts for David Brown 950 farm-tractor here