John Deere 7920 Engine
Engine Model …………….. John Deere 6081T
Engine Type …………….. 4-Cycle, 6-cylinder direct injection
turbocharged diesel
Number of Cylinders …………….. 6, In-line
Displacement, cu in (L) …………….. 496 (8.134)
Engine Bore, in (mm) …………….. 4.56 (116.0)
Engine Stroke, in (mm) …………….. 5.06 (129.0)
Aspiration …………….. Turbocharged
Rated Engine Power, hp (kW) …………….. 215.0 (160.3)
Rated Engine Speed, rpm …………….. 2100
Idle Speed Range, rpm …………….. 875-2200
Maximum Torque, Nm (ft-lbs) …………….. 969 (715)
Torque Speed, rpm …………….. 1400
Compression …………….. 16.5:1
Firing Order …………….. 1-5-3-6-2-4
Fuel System …………….. High-pressure common rail
Injection Pump Type …………….. Rotary
Lubrication …………….. Full pressure
Air Cleaner …………….. Dual paper elements
Fuel Tank Capacity, gal (L) …………….. 103.5 (392.0)
Oil Capacity, qts (L) …………….. 25.4 (24.0)
Coolant Capacity, qts (L) …………….. 35.1 (33.2)
Electrical System Rating, Volts …………….. 12
Charging System …………….. Alternator
Alternator Rating, Amps …………….. 150
JD 7920 Power Take-Off
PTO Operational Type …………….. Independent
PTO Horsepower, hp (kW) …………….. 170.0 (126.8)
PTO Clutch …………….. Hydraulic wet discs
PTO Speed, rpm …………….. 540/1000
Rear PTO / Engine Speed, rpm …………….. 540/1950
Rear PTO / Engine Speed, rpm …………….. 1000/1950
Transmission Configuration
Transmission Type …………….. AutoPowr IVT
Gearbox Type …………….. Infinitely variable transmission
Number of Gears …………….. Infinite forward and reverse
Maximum Forward Speed, mph (kph) …………….. 25.0 (40.2)
Maximum Reverse Speed, mph (kph) …………….. 25.0 (40.2)
John Deere 7920 Wheels and Tires
Drive Wheels …………….. 4WD 4×4
Steering Configuration …………….. Front Steer
Steering System …………….. Hydrostatic power
Brakes Type …………….. Hydraulic wet disc
Front Tire Size …………….. 420/90R30
Rear Tire Size …………….. 480/80R46
JD 7920 Hydraulics and Hitch
Hydraulic System Type …………….. Closed center, pressure and flow
compensated
Hydraulic Pump Type …………….. Piston, variable displacement
axial pump
Implement Pump Flow, gpm (Lpm) …………….. 32.2 (121.9)
SCV Flow, gpm (Lpm) …………….. 30.0 (113.6)
Hydraulic Pressure, bar (psi) …………….. 210 (3047)
Hydraulic Fluid Capacity, gal (L) …………….. 28.5 (108.0)
Number of Standard Remote Valves …………….. 7
3-Point Hitch Category …………….. 3/3N
Draft Sensing or Lift Control …………….. Position and draft
control
Standard Lift Capacity at lift pin, lb (kg) …………….. 10050
(4560)
Optional Lift Capacity at lift pin, lb (kg) …………….. 14000
(6350)
John Deere 7920 Dimensions and Weight
Wheelbase, in (mm) …………….. 112.6 (2860)
Length, in (mm) …………….. 212.2 (5380)
Height, in (mm) …………….. 125.4 (3180)
Overall Width, in (mm) …………….. 96 (2430)
Ground Clearance (Front Axle), in (mm) …………….. 22 (560)
Ground Clearance (Drawbar), in (mm) …………….. 16.3 (410)
Turning Radius, in (mm) …………….. 208 (5260)
Weight (Shipping), lb (kg) …………….. 17925 (8130)
Weight (Maximum), lb (kg) …………….. 28885 (13100)