John Deere 7820

John Deere 7820The John Deere 7820 is a 4WD row-crop tractor from the 7020 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 2003 to 2006. The John Deere 7820 is equipped with a 6.8 L (414.0 cu·in) six-cylinder diesel engine and one of three transmission variants.

The JD 7820 row-crop tractor used the John Deere engine. It is a 6.8 L, 6,784 cm2, (414.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 106.0 mm (4.17 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 205.9 PS (151.4 kW; 203 HP) of maximum output power and 903.1 N·m (92.1 kg·m, 665.6 ft·lb) at 1,400 rpm of torque.

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 2,430 mm (95.7 in)
Height 3,180 mm (125.2 in)
Wheel base 2,860 mm (112.6 in)
Ground clearance (front axle) 560 mm (22.0 in)
Weight (operating) 4WD AutoQuad: 7,815 kg (17,229 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 model John Deere
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 6.8 L, 6,784 cm2, (414.0 cu·in)
Bore and stroke 106.0 mm X 127.0 mm (4.17 in X 5 in)
Compression ratio 17.0:1
Horsepower 205.9 PS (151.4 kW; 203.0 HP)
Torque 903.1 N·m (92.1 kg·m, 665.6 ft·lb) at 1,400 rpm
Starter Electric
Oil capacity: 26.0 L (27.5 US. qt, 22.9 Imp. qt.)
Coolant capacity: 29.4 L (31.1 US. qt, 25.9 Imp. qt.)
Transmission and chassis
Chassis 4×4 MFWD 4WD
Steering type Hydrostatic power
Brakes Hydraulic wet disc
Transmission model PowrQuad Plus
Transmission type
Gears 20 forward and 20 reverse
Transmission model AutoQuad Plus
Transmission type
Gears 20 forward and 20 reverse
Transmission model AutoPowr IVT
Transmission type Infinitely variable transmission
Gears Infinite forward and reverse
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)
Front PTO type Independent (optional)
Front PTO speed 540/1000 rpm
Rear PTO type Independent with hydraulic wet disc clutch
Rear PTO speed 540/1000 rpm
Hydraulic system
Hydraulic type
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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