John Deere 7920: all source data

All 89 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
ManufacturerJohn 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)infinitely variable transmission
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
Mechanical
(no label)Four-wheel drive
(no label)Power steering
(no label)Hydraulic wet disc brakes
(no label)Cab standard.
Capacity
Fuel103.5 gal | 391.7 L
Fuel94.7 gal (With right step) | 358.4 L
Hydraulic system28.5 gal | 107.9 L
Front axle15.2 qts | 14.4 L
Front hubs2 qts | 1.9 L
HD Front hubs4 qts | 3.8 L
Hydraulics
Typeclosed-center pressure-flow compensated (PFC)
Capacity28.5 gal | 107.9 L
Pressure3046 psi | 210.0 bar
Valves7
Pump flow32.2 gpm | 121.9 lpm
SCV flow30 gpm | 113.6 lpm
Hitch
Rear Type3/3N
Rear lift10050 lbs | 4558 kg
Rear lift14000 lbs | 6350 kg
Pto
Rear PTOindependent
Clutchhydraulic wet discs
Rear PTO Type540/1000 (1.375)
Rear PTO Type1000 (1.75)
Engine RPM540@1950
Engine RPM1000@1950
Front PTOindependent
Front PTO Type1000 (1.75)
Dimensions
Wheelbase112.6 inches | 286 cm
Weight17603 to 17965 pounds
Front tire420/90R30
Rear tire480/80R46
Serial location
(no label)On tractor frame, front right-hand side.
Electrical
Groundnegative
Charging systemalternator
Charging amps150
Batteries2
Battery CCA925
Battery volts12

Engine

Engine detail
(no label)John Deere
(no label)turbocharged intercooled diesel
(no label)6-cylinder
(no label)liquid-cooled inline
Displacement496 ci | 8.1 L
Bore/Stroke4.56x5.06 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 cleanerdual paper elements
Compression16.5:1
Rated RPM2100
Idle RPM875-2200
Starter volts12
Oil capacity25.4 qts | 24.0 L
Coolant capacity (Coolant)33.8 qts | 32.0 L

Transmission

Transmission
TransmissionAutoPowr IVT
Typeinfinitely variable transmission
Gearsinfinite 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).

Dimensions

Tires
Ag front420/90R30
Ag rear480/80R46
Dimensions
Wheelbase112.6 inches | 286 cm
Length212.2 inches | 538 cm
Length240.4 inches (with front weights) | 610 cm
Width96 inches (short axle) | 243 cm
Width118 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 axle3.622 by 96 inches | 91 by 2438 mm
Rear axle3.622 by 110.5 inches | 91 by 2806 mm
Rear axle3.622 by 118 inches | 91 by 2997 mm
Rear axle3.937 by 96 inches | 99 by 2438 mm
Rear axle3.937 by 110.5 inches | 99 by 2806 mm
Rear axle3.937 by 118 inches | 99 by 2997 mm
Weight
Shipping17,603 lbs | 7984 kg
Operating17,965 lbs | 8148 kg
Ballasted23385 lbs | 10607 kg