John Deere 6420 VS David Brown 850 specs comparison
John Deere 6420
General Infos| Make | John Deere |
| Model | 6420 |
| Country | United states |
| Production | From 2002 Until 2006 |
| Price | 44,000 USD |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | John Deere 6420 Manual |
Dimensions, sizes and tires
| AG front tires | 10.00-16 |
| AG rear tires | 18.4-3 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 10,064 lbs or 4565 kg |
| Length | 162.7 inches [413 cm] |
| Width | 61.8 inches [156 cm] |
| Height | 98.3 inches [249 cm] |
| Wheelbase | 94.5 inches [240 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 63.1 to 90.6 inches |
| Front tread size | 58.7 to 101.7 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 276 ci or 4.5 L |
| Cylinders | 4 cylinders |
| Engine power | 110 hp or 82.0 kW |
| Engine RPM | 2300 (rpm) |
| Torque | 346 lb-ft or 469.2 Nm | Torque RPM | 1500 (rpm) |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 48.9 gal or 185.1 L |
| Oil capacity | 16.8 qts or 15.9 L |
| Oil change | 500 h |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 6420 Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 110 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 90 amps |
| Trans system | John Deere IVT |
| Trans type | infinitely variable transmission |
| Trans gears | infinite forward and reverse |
| Clutch system | wet disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | hydraulic wet disc |
| Cabin type | Two-post ROPS |
| Differentiel lock | - |
| System | closed center pressue flow compensated |
| Valves | 4 |
| Pump flow | 25 gpm or 94.6 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 13.7 gal or 51.9 L |
| Hydraulic pressure | 2900 psi or 200.0 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 75.4 hp or 56.2 kW |
| Fuel consumption | 5.5 gal/hour or 20.8 l/hour |
| Pulling power | 9,915 lbs or 4497 kg |
| Claimed power | 90 hp or 67.1 kW |
| Real power | 96.0 hp or 71.6 kW |
| Engine @RPM | 1000@2185 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | optional |
| Front PTO RPM | 1000 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 5.5 gal/hour or 20.8 l/hour |
| Hitch system | - |
| Rear hitch | II |
| Rear hitch lift | 4745 lbs or 2152 kg |
| Front hitch | - |
| Front hitch lift | - |
David Brown 850
General Infos| Make | David Brown |
| Model | 850 |
| Country | United states |
| Production | From 1960 Until 1965 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | David Brown 850 Manual |
Dimensions, sizes and tires
| AG front tires | 5.00-15 |
| AG rear tires | 10-28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3750 lbs or 1701 kg |
| Length | 113.5 inches [288 cm] |
| Width | - |
| Height | - |
| Wheelbase | 75.25 inches [191 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 52/56/60/64/68/72 inches |
| Front tread size | 52/56/60/64/68/72 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 154 ci or 2.5 L |
| Cylinders | 4 cylinders |
| Engine power | 35 hp or 26.1 kW |
| Engine RPM | 2000 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 10.6 gal or 40.1 L |
| Oil capacity | 10.1 qts or 9.6 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | David Brown 850 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | unsynchronized gear |
| Trans gears | 6 forward and 2 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | spur gear |
| Steering | manual |
| Braking system | differential mechanical expanding shoe |
| 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 | 30 hp or 22.4 kW |
| Drawbar horsepower | 27.64 hp or 20.6 kW |
| Fuel consumption | 3.0 gal/hour or 11.4 l/hour |
| Pulling power | - |
| Claimed power | 33 hp or 24.6 kW |
| Real power | 28.52 hp or 21.3 kW |
| Engine @RPM | 540@1800 (rpm) |
| PTO Clutch | dry disc |
| Rear PTO | transmission |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 6420 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 6420 farm-tractor here
- Get your David Brown 850 manual book version
- Cabine, electrical And mechanical parts for David Brown 850 farm-tractor here
