John Deere 7920

The John Deere 7920 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): 197.1 hp / 147.0 kW; Diesel (gross): 205.2 hp / 153.0 kW. Transmission: AutoPowr IVT. Operating weight: 17603 to 17965 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 7920 Engine
John Deere 8.1L 6-cyl diesel
Engine details ...

John Deere 7920 Transmission
infinitely variable transmission
Transmission details ...

John Deere 7920 Power
Engine (gross)	205.2 hp 153.0 kW
Engine (net)	197.1 hp 147.0 kW
Engine (max)	219.9 hp 164.0 kW
PTO (claimed)	170 hp 126.8 kW
Drawbar (tested)	146.06 hp 108.9 kW
PTO (tested)	192.77 hp 143.7 kW
Performance test details ...

Mechanical
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
Front PTO	independent OptOptional
Front PTO Type	1000 (1.75)

Dimensions & Tires
Wheelbase	112.6 inches 286 cm
Weight	17603 to 17965 pounds
Front tire	420/90R30
Rear tire	480/80R46
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 intercooled 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)	197.1 hp 147.0 kW
Rated Power (gross)	205.2 hp 153.0 kW
Maximum Power (net)	211.9 hp 158.0 kW
Maximum Power (gross)	219.9 hp 164.0 kW
Air cleaner	dual paper elements
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 7920 Engine

Transmission

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).

Dimensions

John Deere 7920 Tires
Ag front	420/90R30
Ag rear	480/80R46

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
Clearance (front axle)	22.3 inches 56 cm
Clearance (rear axle)	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 7920 Weight
Shipping	17,603 lbs 7984 kg
Operating	17,965 lbs 8148 kg
Ballasted	23385 lbs*480/80R46 duals 10607 kg

Tests

OCED Tractor Test 1835
Diesel IVT 4WD January 1 - 22, 2004 Link: OCED Tractor Test 1835 file
PTO performance
Max power	192.77 hp 143.7 kW
Fuel use	10.6 gal/hour 40.1 l/hour
Power at rated engine speed	171.26 hp 127.7 kW
Fuel use	10.4 gal/hour 39.4 l/hour
Power at rated PTO speed	185.59 hp 138.4 kW
Fuel use	10.6 gal/hour 40.1 l/hour
Drawbar performance
Max power	146.06 hp 108.9 kW
Fuel use	9.9 gal/hour 37.5 l/hour
Pull at 8.2 KPH
Max pull	23,206 lbs 10526 kg
Pull at 3.6 KPH