John Deere 7720 VS David Brown 850 specs comparison
John Deere 7720
General Infos| Make | John Deere |
| Model | 7720 |
| Country | United states |
| Production | From 2003 Until 2006 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | diesel |
| Service repair manual | John Deere 7720 Manual |
Dimensions, sizes and tires
| AG front tires | 11.00-16 |
| AG rear tires | 480/80R42 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 17,309 lbs or 7851 kg |
| Length | 212.2 inches [538 cm] |
| Width | 96 inches [243 cm] |
| Height | 125.4 inches [318 cm] |
| Wheelbase | 112.6 inches [286 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 414 ci or 6.8 L |
| Cylinders | 6 cylinders |
| Engine power | 188 hp or 140.2 kW |
| Engine RPM | 2100 (rpm) |
| Torque | 607.8 lb-ft or 824.2 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | high-pressure common rail |
| Fuel tank size | 103.5 gal or 391.7 L |
| Oil capacity | 27.5 qts or 26.0 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 7720 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 925 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 150 amps |
| Trans system | AutoPowr IVT |
| Trans type | infinitely variable transmission |
| Trans gears | infinite forward and reverse |
| Clutch system | - |
| Wheel drive | 4x4 MFWD 4WD |
| Final drive | - |
| Steering | power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard |
| Differentiel lock | - |
| System | - |
| Valves | 7 |
| Pump flow | 32 gpm or 121.1 lpm |
| SVC flow | 30 gpm or 113.6 lpm |
| Steering flow | - |
| Tank capacity | 28.5 gal or 107.9 L |
| Hydraulic pressure | 3046 psi or 210.0 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 140 hp or 104.4 kW |
| Real power | - |
| Engine @RPM | 540@1950 (rpm) |
| PTO Clutch | hydraulic wet discs |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | independent (optional) |
| Front PTO RPM | 540 (rpm) |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | 3/3N |
| Rear hitch lift | 10,050 lbs or 4558 kg |
| Front hitch | optional |
| 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
John Deere 7720 J.I. Case 511-B
John Deere 7720 McCormick-Deering AW-7
David Brown 850 J.I. Case 351
David Brown 850 J.I. Case 610
John Deere 7720 International Harvester 560
John Deere 7720 Volvo 470
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 7720 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 7720 farm-tractor here
- Get your David Brown 850 manual book version
- Cabine, electrical And mechanical parts for David Brown 850 farm-tractor here
