7820 by Deere
2003 - 2006
Series:
2003 - 2006
| 2003 - 2006 |
| 7020 Series |
| Row-Crop tractor |
Series:
| Series: | 7720 | → 7820 |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
John Deere 7720 Power
| 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 |
John Deere 7720 Engine
| John Deere 7720 Engine | |
| John Deere 6.8L 6-cyl diesel | |
| Engine details ... |
Mechanical
| 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 | |
| Transmission details ... | |
Capacity
| 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
| 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
| 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)
| 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 |
Dimensions & Tires
| Dimensions & Tires | |
| Wheelbase: | 112.6 inches 286 cm |
| Weight: | 17309 to 17750 pounds |
| Front tire: | 11.00-16 |
| Rear tire: | 480/80R42 |
| Full dimensions and tires ... | |
Electrical
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
Production
John Deere 7820 Power
143.2 kW
138.0 kW
151.4 kW
115.6 kW
John Deere 7820 Engine
2003 - 2006
| 2003 - 2006 |
| 7020 Series |
| Row-Crop tractor |
Series:
| Series: | 7720 ← | 7820 | → 7920 |
Engine Detail
| 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): | 185 hp 138.0 kW |
| Rated Power (EC 97/98): | 192 hp 143.2 kW |
| Maximum Power (ECE R24): | 197 hp 146.9 kW |
| Maximum Power (EC 97/68): | 203 hp 151.4 kW *With 50KPH transmission a transport boost up to 220HP was available. |
| Fuel system: | high-pressure common rail |
| Compression: | 17:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 875-2200 |
| Torque: | 666 lb-ft 903.1 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 |
Mechanical
2003 - 2006
| 2003 - 2006 |
| 7020 Series |
| Row-Crop tractor |
Series:
| Series: | 7720 ← | 7820 | → 7920 |
Transmissions overview
| Transmissions overview | |
| 20-speed | |
| infinitely variable transmission |
Transmission
| Transmission | |
| Transmission: | PowrQuad Plus |
| Gears: | 20 forward and reverse |
| Four power shift gears (1-4) in five synchronized ranges (A-E) with left-hand power shuttle. | |
Transmission
| Transmission | |
| Transmission: | AutoQuad Plus |
| Gears: | 20 forward and reverse |
| Four power shift gears (1-4) in five synchronized ranges (A-E) with left-hand power shuttle. AutoQuad allows for automatic load-based gear shifting. | |
Transmission
| Transmission | |
| Transmission: | AutoPowr IVT |
| Type: | infinitely variable transmission |
| Gears: | infinite forward and reverse |
Capacity
391.7 L
358.4 L (with right step)
107.9 L
Hydraulics
107.9 L
210.0 bar
121.1 lpm
113.6 lpm
Tractor hitch
4558 kg
6350 kg (optional)
Power Take-off (PTO)
1000@1950
540E@1750
1000E@1750
Dimensions & Tires
286 cm
2003 - 2006
| 2003 - 2006 |
| 7020 Series |
| Row-Crop tractor |
Series:
| Series: | 7720 ← | 7820 | → 7920 |
John Deere 7820 Tires
| John Deere 7820 Tires | |
| Ag front: | 11.00-16 |
| Ag rear: | 480/80R42 |
Dimensions
| 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 |
John Deere 7820 Weight
| John Deere 7820 Weight | |
| Gear Shipping: | 17,309 lbs 7851 kg |
| IVT Shipping: | 17,750 lbs 8051 kg |
| Operating: | 17,230 lbs 7815 kg (4WD AutoQuad) |
| Max capacity: | 28,886 lbs 13102 kg |
| Max front axle: | 12,128 lbs 5501 kg |
| Max rear axle: | 22,050 lbs 10001 kg |
Electrical
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