All 111 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
John Deere
(no label)
Row-Crop tractor
(no label)
Built in Waterloo, Iowa, USA
Engine
(no label)
John Deere 8.1L 6-cyl diesel
Transmission
(no label)
16-speed partial power shift
(no label)
20-speed
(no label)
infinitely variable transmission
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
Mechanical
(no label)
Two- or four-wheel drive
(no label)
Power steering
(no label)
Hydraulic wet disc brakes
(no label)
Cab standard.
Capacity
Fuel
103.5 gal | 391.7 L
Fuel
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
Hitch
Rear Type
3/3N
Rear lift
10050 lbs | 4558 kg
Rear lift
14000 lbs | 6350 kg
Pto
Rear PTO
independent
Clutch
hydraulic wet discs
Rear PTO Type
540/1000 (1.375)
Rear PTO Type
1000 (1.75)
Engine RPM
540@1950
Engine RPM
1000@1950
Engine RPM
540E@1750
Engine RPM
1000E@1750
Front PTO
independent
Front PTO Type
1000 (1.75)
Dimensions
Wheelbase
112.6 inches | 286 cm
Weight
16002 to 17603 pounds
Front tire
11.00-16
Rear tire
18.4R42 (2WD)
Serial location
(no label)
On tractor frame, front right-hand side.
Electrical
Ground
negative
Charging system
alternator
Charging amps
150
Batteries
2
Battery CCA
925
Battery volts
12
Engine
Engine detail
(no label)
John Deere
(no label)
turbocharged diesel
(no label)
6-cylinder
(no label)
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 (Coolant)
33.8 qts | 32.0 L
Transmission
Transmission options
(no label)
16-speed partial power shift
(no label)
20-speed
(no label)
infinitely variable transmission
Transmission
Transmission
PowrQuad Plus
Type
partial power shift
Gears
16 forward and reverse
Clutch
hydraulic wet discs
(no label)
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
Gears
20 forward and reverse
Clutch
hydraulic wet discs
(no label)
Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse.
Transmission
AutoQuad Plus
Gears
20 forward and reverse
Clutch
hydraulic wet discs
(no label)
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.
Transmission
AutoPowr IVT
Type
infinitely variable transmission
Gears
infinite forward and reverse
(no label)
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.