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| info | |
| 2004 - 2007 7020 Series, Row-Crop tractor | |
| Previous model: | John Deere 7810 |
| Next model: | John Deere 7830 |
| Series next: | John Deere 7920 |
| Series back: | John Deere 7720 |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| 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] |
| 3-Point 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), 1000 (1.75) |
| Engine RPM: | 540@1950 1000@1950 540E@1750 1000E@1750 |
| Dimensions & Tires | |
| Wheelbase: | 112.6 inches [286 cm] |
| Weight: | 16002 to 17603 pounds |
| Front tire: | 11.00-16 |
| Rear tire: | 18.4R42 (2WD) |
| 7820 Serial Numbers | |
| Location: | On tractor frame, front right-hand side. |
| John Deere 7820 Power | |
| PTO (claimed): | 155 hp [115.6 kW] |
| Drawbar (tested): | 143.52 hp [107.0 kW] |
| PTO (tested): | 174.31 hp [130.0 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard. |
| 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] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 925 |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.56x5.06 inches [116 x 129 mm] |
| Maximum Power (ECE R24): | 197 hp [146.9 kW] |
| Compression: | 16.5:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 875-2200 |
| Starter volts: | 12 |
| Oil capacity: | 25.4 qts [24.0 L] |
| Coolant capacity: | 33.8 qts [32.0 L] |
| Engine Detail | |
| John Deere, turbocharged diesel, 6-cylinder, liquid-cooled inline, 496 ci [8.1 L] |
| info | |
| Previous model: | John Deere 7810 |
| Next model: | John Deere 7830 |
| Series next: | John Deere 7920 |
| Series back: | John Deere 7720 |
| Transmission | |
| Transmission: | PowrQuad Plus |
| Type: | partial power shift |
| Gears: | 16 forward and reverse |
| Clutch: | hydraulic wet discs |
| Four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser. Power shuttle shifting between forward and reverse. | |
| info | |
| Previous model: | John Deere 7810 |
| Next model: | John Deere 7830 |
| Series next: | John Deere 7920 |
| Series back: | John Deere 7720 |
| Dimensions | |
| 2WD Weight (shipping): | 16,002 lbs [7258 kg] |
| 4WD Weight (shipping): | 17,102 lbs [7757 kg] |
| 4WD IVT Weight (shipping): | 17,603 lbs [7984 kg] |
| Weight (operating): | 17,230 lbs [7815 kg] (4WD AutoQuad) |
| Wheelbase: | 112.6 inches [286 cm] |
| Length: | 212.2 inches [538 cm], 240.4 inches [610 cm] (with front weights) |
| Width: | 96 inches [243 cm] (short axle), 118 inches [299 cm] (long axle) |
| Height (cab): | 125.4 inches [318 cm] |
| 2WD Clearance (front axle): | 25.6 inches [65 cm] |
| 4WD Clearance (front axle): | 22.3 inches [56 cm] |
| 2WD Clearance (drawbar): | 16.7 inches [42 cm] |
| 4WD Clearance (drawbar): | 16.3 inches [41 cm] |
| Rear axle: | 3.622 by 96 inches [91x2438 mm] 3.622 by 110.5 inches [91x2806 mm] 3.622 by 118 inches [91x2997 mm] 3.937 by 96 inches [99x2438 mm] 3.937 by 110.5 inches [99x2806 mm] 3.937 by 118 inches [99x2997 mm] |
| John Deere 7820 Tires | |
| Standard tires (ag): | Front: 11.00-16. Rear: 18.4R42 (2WD), Front: 14.9R30. Rear: 18.4R42 (4WD) |