| Production |
| Manufacturer: | John Deere
|
| Type: | Row-Crop tractor
|
| Factory: | Waterloo, Iowa, USA
|
| John Deere 7720 Power |
| PTO (claimed): | 140 hp
104.4 kW
|
| Drawbar (tested): | 129.08 hp
96.3 kW
|
| PTO (tested): | 159.79 hp
119.2 kW
|
| Mechanical |
| Chassis: | 4x2 2WD
|
| | 4x4 MFWD 4WD (optional)
|
| Steering: | hydrostatic power
|
| Brakes: | hydraulic wet disc
|
| Cab: | Cab standard.
|
| Transmissions: | 16-speed partial power shift
|
| | 20-speed
|
| | infinitely variable transmission
|
| Capacity |
| Fuel: | 103.5 gal
391.7 L
|
| | 94.7 gal
358.4 L (with right step)
|
| Hydraulic system: | 28.5 gal
107.9 L
|
| Front axle: | 15.2 qts
14.4 L
|
| Front hubs: | 2 qts
1.9 L
|
| HD Front hubs: | 4 qts
3.8 L
|
| Hydraulics |
| Type: | closed-center pressure-flow compensated (PFC)
|
| Capacity: | 28.5 gal
107.9 L
|
| Pressure: | 3046 psi
210.0 bar
|
| Valves: | 7
|
| Pump flow: | 32.2 gpm
121.9 lpm
|
| SCV flow: | 30 gpm
113.6 lpm
|
| Tractor hitch |
| Rear Type: | 3/3N
|
| Rear lift: | 10,050 lbs
4558 kg
|
| | 14,000 lbs
6350 kg (optional)
|
| Power Take-off (PTO) |
| Rear PTO: | independent
|
| Clutch: | hydraulic wet discs
|
| Rear RPM: | 540/1000 (1.375)
|
| Engine RPM: | 540@1950
1000@1950
540E@1750
1000E@1750
|
| Dimensions & Tires |
| Wheelbase: | 112.6 inches
286 cm
|
| Weight: | 15501 to 17033 pounds
|
| Front tire: | 11.00-16
|
| Rear tire: | 18.4R42 (2WD)
|
| Full dimensions and tires ... |
| 7720 Serial Numbers |
| Location: | On tractor frame, front right-hand side.
|
| Electrical |
| Ground: | negative
|
| Charging system: | alternator
|
| Charging amps: | 150
|
| Batteries: | 2
|
| Battery CCA: | 925
|
| Battery volts: | 12
|
|
