John Deere 7820
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| Production | |
| Manufacturer | John Deere |
| Row-Crop tractor | |
| Built in Waterloo, Iowa, USA | |
| John Deere 7820 Engine | |
| John Deere 8.1L 6-cyl diesel | |
 Engine details ... |
| John Deere 7820 Transmissions | |
| 16-speed partial power shift | |
| 20-speed | |
| infinitely variable transmission | |
 Transmission details ... |
| John Deere 7820 Power | |
| Engine (gross) | 189.1 hp 141.0 kW |
| Engine (net) | 182.4 hp 136.0 kW |
| Engine (max) | 199.8 hp 149.0 kW |
| PTO (claimed) | 155 hp 115.6 kW |
| Drawbar (tested) | 143.52 hp 107.0 kW |
| PTO (tested) | 174.31 hp 130.0 kW |
 Performance test details ... | |
| Mechanical | |
| Two- or four-wheel drive | |
| Power steering | |
| Hydraulic wet disc brakes | |
| Cab standard. |
| Photos | |
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 John Deere 7820 photos... | |
| Capacity | |
| Fuel | 103.5 gal 391.7 L |
| 94.7 gal (with right step) 358.4 L | |
| 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 | 10050 lbs 4558 kg |
| 14000 lbsOptOptional 6350 kg | |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Clutch | hydraulic wet discs |
| Rear PTO Type | 540/1000 (1.375) |
| 1000 (1.75) | |
| Engine RPM | 540@1950 |
| 1000@1950 | |
| 540E@1750 | |
| 1000E@1750 | |
| Front PTO | independent OptOptional |
| Front PTO Type | 1000 (1.75) |
| Dimensions & Tires | |
| Wheelbase | 112.6 inches 286 cm |
| Weight | 16002 to 17603 pounds |
| Front tire | 11.00-16 |
| Rear tire | 18.4R42 (2WD) |
 Full dimensions and tires ... | |
| 7820 Serial Number Location | |
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| On tractor frame, front right-hand side. |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 150 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |
| References | |
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| 7020 Series published in 2003, by John Deere | |
| 7020 Series published in 2004, by John Deere | |
| 7020 Series published in 2005, by John Deere | |
| Get around-the-clock performance with the new 7020 Series Tractors published in 2003, by John Deere |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on November 21, 2022 | |
| http://techpubs.deere.com/ - Official operator manuals for purchase or download from Deere. |