John Deere 7820
The John Deere 7820 is a tractor produced by John Deere. It is equipped with a 496 ci 8.1 L engine. The listed engine power is Diesel (net): 182.4 hp / 136.0 kW; Diesel (gross): 189.1 hp / 141.0 kW. Transmission: AutoPowr IVT. Operating weight: 16002 to 17603 pounds.
Engine Power
Diesel (net): 182.4 hp / 136.0 kW; Diesel (gross): 189.1 hp / 141.0 kW
Fuel & Capacities
103.5 gal
391.7 L
Transmission
AutoPowr IVT
Operating Weight
16002 to 17603 pounds
Overview
 | 2004 - 2007
7020 SeriesRow-Crop tractor
7020 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
John Deere 7820 Engine | |
|---|---|
John Deere 8.1L 6-cyl diesel | |
Engine details ...  |
John Deere 7820 Power | |
|---|---|
Engine (gross) | 189.1 hp
141.0 kW |
Engine (net) | 182.4 hp
136.0 kW |
Engine (max) | 199.8 hp
149.0 kW |
PTO (claimed) | 155 hp
115.6 kW |
Drawbar (tested) | 143.52 hp
107.0 kW |
PTO (tested) | 174.31 hp
130.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard. |
Capacity | |
|---|---|
Fuel | 103.5 gal
391.7 L |
94.7 gal (with right step)
358.4 L | |
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 |
Tractor hitch | |
|---|---|
Rear Type | 3/3N |
Rear lift | 10050 lbs
4558 kg |
14000 lbsOptOptional
6350 kg | |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic wet discs |
Rear PTO Type | 540/1000 (1.375) |
1000 (1.75) | |
Engine RPM | 540@1950 |
1000@1950 | |
540E@1750 | |
1000E@1750 | |
Front PTO | independent OptOptional |
Front PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 112.6 inches
286 cm |
Weight | 16002 to 17603 pounds |
Front tire | 11.00-16 |
Rear tire | 18.4R42 (2WD) |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 150 |
Batteries | 2 |
Battery CCA | 925 |
Battery volts | 12 |
References | |
|---|---|
 | |
7020 Series published in 2003, by John Deere | |
7020 Series published in 2004, by John Deere | |
7020 Series published in 2005, by John Deere | |
Get around-the-clock performance with the new 7020 Series Tractors published in 2003, by John Deere |
Engine
Engine Detail — 496 ci / 8.1 L Diesel
Manufacturer | John Deere |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled inline |
Displacement | 496 ci
8.1 L |
Bore/Stroke | 4.56x5.06 inches
116 x 129 mm |
Rated Power (net) | 182.4 hp
136.0 kW |
Rated Power (gross) | 189.1 hp
141.0 kW |
Maximum Power (net) | 194.5 hp
145.0 kW |
Maximum Power (gross) | 199.8 hp
149.0 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 Engine | |
|---|---|
 |
Transmission
Transmission options | |
|---|---|
16-speed partial power shift | |
20-speed | |
infinitely variable transmission |
Transmission — PowrQuad Plus
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. | |
Transmission — PowrQuad Plus
Transmission | PowrQuad Plus |
Gears | 20 forward and reverse |
Clutch | hydraulic wet discs |
Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse. | |
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed. | |
 | |
Transmission — AutoQuad Plus
Transmission | AutoQuad Plus |
Gears | 20 forward and reverse |
Clutch | hydraulic wet discs |
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. | |
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed. | |
 | |
Transmission — AutoPowr IVT
Transmission | AutoPowr IVT |
Type | infinitely variable transmission |
Gears | infinite forward and reverse |
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. | |
 | |
Dimensions
John Deere 7820 Tires | |
|---|---|
Standard tires (ag) | Front: 11.00-16. Rear: 18.4R42 (2WD) |
Front: 14.9R30. Rear: 18.4R42 (4WD) | |
Dimensions | |
|---|---|
Wheelbase | 112.6 inches
286 cm |
Length | 212.2 inches
538 cm |
240.4 inches (with front weights)
610 cm | |
Width | 96 inches (short axle)
243 cm |
118 inches (long axle)
299 cm | |
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 (4WD AutoQuad)
7815 kg |
Tests
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 |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 7820.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 7820 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 7820.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare John Deere 7820 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 7820
Engine Power:Diesel (net): 182.4 hp / 136.0 kW; Diesel (gross): 189.1 hp / 141.0 kW
★ Baseline Reference
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