John Deere 7820 Tractor (2007)

Manufacturer:John Deere

Price:N/A

Series:7020 Series

Model:7820

Equipment Type: Row-Crop Tractors

Factory:Waterloo, Iowa, USA

Full Specifications

ENGINE DETAIL

Description
John Deere turbocharged diesel 6-cylinder liquid-cooled inline
Displacement
496ci / 8.1L
Bore/Stroke
4.56x5.06inches / 116x 129mm
Rated Power (ECE R24)
182.4hp / 136.0kW
Rated Power (EC 97/98)
189.1hp / 141.0kW
Maximum Power (ECE R24)
194.5hp / 145.0kW
Maximum Power (EC 97/68)
199.8hp / 149.0kW
Compression
16.5:1
Rated RPM
2100
Idle RPM
875-2200
Starter volts
12
Oil capacity
25.4qts / 24.0L
Coolant capacity
33.8qts / 32.0L

JOHN DEERE 7820 ENGINE

Description
John Deere 8.1L 6-cyl diesel

TRANSMISSIONS OVERVIEW

Description
16-speed partial power shift 20-speed infinitely variable transmission

TRANSMISSION 1

Transmission
PowrQuad Plus
Type
partial power shift
Gears
16 forward and reverse
Clutch
hydraulic wet discs
Description
Four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser. Power shuttle shifting between forward and reverse

TRANSMISSION 2

Transmission
PowrQuad Plus
Gears
20 forward and reverse
Clutch
hydraulic wet discs
Description
Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse

SPEEDS 1

Description
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed

TRANSMISSION 3

Transmission
AutoQuad Plus
Gears
20 forward and reverse
Clutch
hydraulic wet discs
Description
Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse. AutoQuad mode offers automatic load-matched gear shifting with standard and economy-shift settings

SPEEDS 2

Description
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed

TRANSMISSION 4

Transmission
AutoPowr IVT
Type
infinitely variable transmission
Gears
infinite forward and reverse
Description
Hydro-mechanical IVT controlled via right-hand speed lever and left-hand reverser lever. Knob on the speed lever adjusts the set speeds for two ranges. Minimum speed of 50 meters per hour (164 feet per hour). The IVT was available on the 7820 only when equipped with four-wheel drive

JOHN DEERE 7820 TRANSMISSIONS

Description
16-speed partial power shift 20-speed infinitely variable transmission

MECHANICAL

Description
Two- or four-wheel drive Power steering Hydraulic wet disc brakes Cab standard

CAPACITY

Fuel
103.5gal / 391.7L 94.7gal (with right step) / 358.4L
Hydraulic system
28.5gal / 107.9L
Front axle
15.2qts / 14.4L
Front hub
2qts / 1.9L
HD Front hub
4qts / 3.8L

HYDRAULICS

Type
closed-center pressure-flow compensated (PFC)
Capacity
28.5gal / 107.9L
Pressure
3046psi / 210.0bar
Valves
7
Pump flow
32.2gpm / 121.9lpm
SCV flow
30gpm / 113.6lpm

TRACTOR HITCH

Rear Type
3/3N
Rear lift
10050lbs / 4558kg 14000lbsOptOptional / 6350kg

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
Front PTO
independent OptOptional
Front RPM
1000 (1.75)

JOHN DEERE 7820 TIRES

Standard tires (ag)
Front: 11.00-16. Rear: 18.4R42 (2WD) Front: 14.9R30. Rear: 18.4R42 (4WD)

DIMENSIONS & TIRES

Wheelbase
112.6inches / 286cm
Weight
16002 to 17603 pounds
Front tire
11.00-16
Rear tire
18.4R42 (2WD)

7820 SERIAL LOCATION

Description
On tractor frame, front right-hand side

ELECTRICAL

Ground
negative
Charging system
alternator
Charging amps
150
Batteries
2
Battery CCA
925
Battery volts
12

About John Deere Tractor

The 7820 model tractor is member of John Deere's 9R line of tractors. The 7820 is classified as a Row-Crop Tractors and which is mostly used for Agriculture Tractors operations. The 7820 tractor is operated by a engine. This configuration provides better real-world usability.

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