John Deere 7820

John Deere 7820 Row-Crop tractor Technical Specifications

John Deere 7820 is a Row-Crop tractor that was produced by the John Deere between 2004 – 2007.

Below you will find detailed technical specifications for John Deere 7820 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 7820 Production











Manufacturer:
Manufacturer: John Deere
Type: Row-Crop tractor
Factory: Waterloo, Iowa, USA


John Deere 7820 Power










Engine:
PTO (claimed): 155 hp
115.6 kW
Drawbar (tested): 143.52 hp
107.0 kW
PTO (tested): 174.31 hp
130.0 kW

John Deere 7820 Electrical



















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

John Deere 7820 Mechanical































Chassis: 4×2 2WD
  4×4 MFWD 4WD
Steering: power
Brakes: hydraulic wet disc
Cab: Cab standard.
Transmissions: 16-speed partial power shift
  20-speed
  infinitely variable transmission

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
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

Tracktor Hitch










Rear Type: 3/3N
Rear lift: 10050 lbs
4558 kg
  14000 lbs
6350 kg *Optional

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*Optional
Front RPM: 1000 (1.75)

John Deere 7820 Engine detail





































Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled inline
Displacement: 496 ci
8.1 L
Bore/Stroke: 4.56×5.06 inches
116 x 129 mm
Maximum Power (ECE R24): 197 hp
146.9 kW
Compression: 16.5:1
Rated RPM: 2100
Idle RPM: 875-2200
Starter volts: 12
Oil capacity: 25.4 qts
24.0 L
Coolant capacity: 33.8 qts
32.0 L



John Deere 7820 Transmission overview

Engine Oil














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

John Deere 7820 Dimensions

















































Wheelbase: 112.6 inches
286 cm
Length: 212.2 inches
538 cm
  240.4 inches
610 cm (with front weights)
Width: 96 inches
243 cm (short axle)
  118 inches
299 cm (long axle)
Height (cab): 125.4 inches
318 cm
2WD Clearance (front axle): 25.6 inches
65 cm
4WD Clearance (front axle): 22.3 inches
56 cm
2WD Clearance (drawbar): 16.7 inches
42 cm
4WD Clearance (drawbar): 16.3 inches
41 cm
Rear axle: 3.622 by 96 inches
91 by 2438 mm
Rear axle: 3.622 by 110.5 inches
91 by 2806 mm
Rear axle: 3.622 by 118 inches
91 by 2997 mm
Rear axle: 3.937 by 96 inches
99 by 2438 mm
Rear axle: 3.937 by 110.5 inches
99 by 2806 mm
Rear axle: 3.937 by 118 inches
99 by 2997 mm
















John Deere 7820 Weight
2WD Shipping: 16,002 lbs
7258 kg
4WD Shipping: 17,102 lbs
7757 kg
4WD IVT Shipping: 17,603 lbs
7984 kg
Operating: 17,230 lbs
7815 kg (4WD AutoQuad)

John Deere 7820 Tests

OCED Tractor Test 1834















































OCED Tractor Test 1834
496 diesel AutoQuad-Plus 4WD
March 31 – April 21, 2004
Link: OCED Tractor Test 1834 file
PTO performance
Max power: 174.31 hp
130.0 kW
Fuel use: 9.6 gal/hour
36.3 l/hour
Power at rated engine speed: 156.55 hp
116.7 kW
Fuel use: 9.4 gal/hour
35.6 l/hour
Power at rated PTO speed: 170.96 hp
127.5 kW
Fuel use: 9.6 gal/hour
36.3 l/hour
Drawbar performance
Max power: 143.52 hp
107.0 kW
Fuel use: 9.5 gal/hour
36.0 l/hour
Max pull: 21,634 lbs
9813 kg

FAQ

Is John Deere 7820 a good tractor?

The John Deere 7820 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 7820 take?

Check out the John Deere 7820 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 7720

The John Deere 7820 was an agricultural tractor model made from 2004 – 2007

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