John Deere 7720
Type: Row-crop Tractors
Contents:
Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
John Deere 7720 Power | |
| Engine (gross): | 175 hp 130.5 kW |
| Engine (net): | 170 hp 126.8 kW |
| Engine (max): | 188 hp 140.2 kW |
| PTO (claimed): | 140 hp 104.4 kW |
Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard. |
| Transmissions: | 20-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 |
Hydraulics | |
| Capacity: | 28.5 gal 107.9 L |
| Pressure: | 3046 psi 210.0 bar |
| Valves: | 7 |
| Pump flow: | 32 gpm 121.1 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) | |
| Front Hitch: | 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 |
| Front PTO: | independent (optional) |
| Front RPM: | 540/1000 |
Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
Engine Detail | |
| John Deere | |
| turbocharged intercooled diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement: | 414 ci 6.8 L |
| Bore/Stroke: | 4.19x5.00 inches 106 x 127 mm |
| Rated Power (ECE R24): | 170 hp 126.8 kW |
| Rated Power (EC 97/98): | 175 hp 130.5 kW |
| Maximum Power (ECE R24): | 182 hp 135.7 kW |
| Maximum Power (EC 97/68): | 188 hp 140.2 kW *With 50KPH transmission a transport boost up to 204HP was available. |
| Fuel system: | high-pressure common rail |
| Compression: | 17:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 875-2200 |
| Torque: | 607.8 lb-ft 824.2 Nm |
| Torque RPM: | 1400 |
| Firing order: | 1-5-3-6-2-4 |
| Starter volts: | 12 |
| Oil capacity: | 27.5 qts 26.0 L |
| Coolant capacity: | 31.1 qts 29.4 L |
Dimensions | |
| Wheelbase: | 112.6 inches 286 cm |
| Length: | 212.2 inches 538 cm |
| Width: | 96 inches 243 cm |
| Height: | 125.4 inches 318 cm |
| Clearance (front axle): | 22.3 inches 56 cm |
| Clearance (drawbar): | 16.3 inches 41 cm |
| Rear axle: | 3.937 by 96 inches 99 by 2438 mm |
