John Deere 7820

John Deere 7820The John Deere 7820 is a 2WD or 4WD row-crop tractor from the 7020 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 2004 to 2007. The John Deere 7820 is equipped with an 8.1 L (496.0 cu·in) six-cylinder diesel engine and one of four transmission variants.

The JD 7820 row-crop tractor used the John Deere engine. It is a 8.1 L, 8,128 cm2, (496.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16.5:1. This engine produced 200.0 PS (146.9 kW; 197.0 HP) at 2,100 rpm of output power.

The John Deere 7820 is equipped with hydrostatic power steering, hydraulic wet disc brakes, cab (standard), and 391.7 liters (103.5 US gal.; 86.2 Imp. gal) fuel tank.

John Deere 7820 Specifications

General Specifications
Model John Deere 7820
Length 5,380 mm (211.8 in)
Width Short axle: 2,430 mm (95.7 in)
Long axle: 2,990 mm (117.7 in)
Height Cab: 3,180 mm (125.2 in)
Wheel base 2,860 mm (112.6 in)
Ground clearance (front axle) 2WD: 650 mm (25.6 in)
4WD: 560 mm (22 in)
Weight (shipping) 2WD: 7,260 kg (16,006 lbs)
4WD: 7,760 kg (17,108 lbs)
Fuel tank capacity 391.7 liters (103.5 US gal.; 86.2 Imp. gal)
With right step: 358.4 liters (94.7 US gal.; 78.8 Imp. gal)
Battery Two 12V, CCA 925A
Cabin type Cab (standard)
Engine
Engine model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 8.1 L, 8,128 cm2, (496.0 cu·in)
Bore and stroke 116.0 mm X 129.0 mm (4.57 in X 5.08 in)
Compression ratio 16.5:1
Horsepower 199.8 PS (146.9 kW; 197 HP) at 2,100 rpm
Starter Electric
Oil capacity: 24.0 L (25.4 US. qt, 21.1 Imp. qt.)
Coolant capacity: 32.0 L (33.8 US. qt, 28.2 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD or 4×4 MFWD 4WD
Steering type Hydrostatic power
Brakes Hydraulic wet disc
Transmission model PowrQuad Plus
Transmission type Partial power shift
Gears 16 forward and 16 reverse
Transmission model PowrQuad Plus
Transmission type Partial power shift
Gears 20 forward and 20 reverse
Speed Forward: 41.1 kmh (25.5 mph) Reverse: (0 mph)
Transmission model AutoQuad Plus
Transmission type
Gears 20 forward and 20 reverse
Speed Forward: 41.1 kmh (25.5 mph) Reverse: (0 mph)
Transmission model AutoPowr IVT
Transmission type Infinitely variable transmission
Gears Infinite forward and reverse
Speed Forward: 40.2 kmh (25 mph) Reverse: 40.2 (25 mph)
Tires
Front tires Ag: 11.00-16
Rear tires Ag: 480/80R42
Three-Point Hitch
Category III/IIIN
Control type
Lift capacity (at ends) 4,560 kg (10,050 lbs)
Optional: 6,350 kg (14,000 lbs)
PTO (Power take-off shaft)
Rear PTO type Independent with hydraulic wet disc clutch
Rear PTO speed 540/1000, 1000 rpm
Hydraulic system
Hydraulic type Closed-center pressure-flow compensated (PFC)
Hydraulic capacity 107.9 L (28.5 US. gal, 23.7 Imp. gal.)
Pressure 3046 psi (210 bar)
Valves 7
Pump flow 32.0 gpm (121.1 lpm)
SCV flow 30.0 gpm (113.6 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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