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John Deere 7720 Specifications
The John Deere 7720 row-crop tractor from 7020 Series was manufactured between 2003 and 2007. The John Deere 7720 tractor is powered by John Deere 6068T 4V-CR 4-cycle vertical 6-cylinder direct injection turbocharged liquid-cooled diesel engine. A 414.4 cubic inches (6.8 L) engine has a cylinder bore of 4.19" (106 mm), piston stroke of 5.00" (127 mm), and rated power of 182 Hp (136 kW).
This model is fitted with several transmission options: 16x16 PowrQuad transmission, 20x20 PowrQuad Plus transmission, 20x20 AutoQuad Plus transmission, or AutoPowr IVT transmission. The closed center hydraulic system has an axial-piston pump with rated fluid flow of 32.2 gpm (121.9 lpm). The John Deere 7720 is equipped with a hydrostatic power steering system, independent PTO type, hydraulic wet disc brakes, 11.00x16 (2WD) or 14.9R30 (4WD) front tyres, and 18.4R42 rear tyres.
| Engine Specs |
Engine Model ................. John Deere 6068T 4V-CR
Engine Type ................. 4-Cycle 6-cylinder liquid-cooled turbocharged diesel
Number of Cylinders ................. Six, in-line
Displacement, cu.in (L) ................. 414.4 (6.786)
Cylinder Bore, in (mm) ................. 4.19 (106.0)
Piston Stroke, in (mm) ................. 5.00 (127.0)
Aspiration Type ................. Turbocharged
Rated Engine Power, hp (kW) ................. 182.0 (136.0)
Rated Engine Speed, rpm ................. 2100
Idle Speed Range, rpm ................. 875-2200
Maximum Torque, Nm (ft-lbs) ................. 824 (610)
Torque Speed, rpm ................. 1400
Compression Ratio ................. 17.0:1
Firing Order ................. 1-5-3-6-2-4
Fuel System ................. Direct injection
Fuel Injection ................. Electronic, high-pressure common rail
Lubrication System ................. Full pressure
Cooling System ................. Liquid-cooled
Air Cleaner Type ................. Dual paper elements
Fuel Tank Capacity, gal (L) ................. 103.5 (392.0)
Oil Capacity, qts (L) ................. 27.5 (26.0)
Coolant Capacity, qts (L) ................. 33.8 (32.0)
Electrical System Rating, Volts ................. 12
Charging System ................. Alternator
| Power Take-Off |
PTO Operational Type ................. Independent
PTO Power, hp (kW) ................. 140.0 (104.5)
PTO Clutch Type ................. Hydraulic wet discs
PTO Speed, rpm ................. 540/1000
Rear PTO/Engine Speed, rpm ................. 540/1950
Rear PTO/Engine Speed, rpm ................. 1000/1950
| Standard Transmission |
Transmission Model ................. PowrQuad
Transmission Type ................. Partial powershift
Gearbox Type ................. 16F/16R
Number of Forward Gears ................. 16
Number of Reverse Gears ................. 16
Clutch Type ................. Wet disc
Oil Capacity, qts (L) ................. 114.5 (108.0)
Maximum Forward Speed, mph (kph) ................. 25.6 (41.1)
Maximum Reverse Speed, mph (kph) ................. 25.6 (41.1)
| Optional Transmission |
Transmission Model ................. PowrQuad Plus
Transmission Type ................. Partial powershift
Gearbox Type ................. 20F/20R
Number of Forward Gears ................. 20
Number of Reverse Gears ................. 20
Clutch Type ................. Wet disc
Oil Capacity, qts (L) ................. 114.5 (108.0)
Maximum Forward Speed, mph (kph) ................. 25.6 (41.1)
Maximum Reverse Speed, mph (kph) ................. 25.6 (41.1)
| Optional Transmission |
Transmission Model ................. AutoQuad Plus
Transmission Type ................. Partial powershift
Gearbox Type ................. 20F/20R
Number of Forward Gears ................. 20
Number of Reverse Gears ................. 20
Clutch Type ................. Wet disc
Maximum Forward Speed, mph (kph) ................. 25.6 (41.1)
Maximum Reverse Speed, mph (kph) ................. 25.6 (41.1)
| Optional Transmission |
Transmission Model ................. AutoPowr IVT
Transmission Type ................. Infinitely Variable Transmission
Number of Forward Gears ................. Infinite
Number of Reverse Gears ................. Infinite
Maximum Forward Speed, mph (kph) ................. 25.0 (40.2)
Maximum Reverse Speed, mph (kph) ................. 25.0 (40.2)
| Wheels and Tires |
Wheel Drive System ................. 2WD/4WD
Steering Configuration ................. Front Steer
Steering System ................. Hydrostatic power
Brakes Type ................. Hydraulic wet disc
Front Tire Size (2WD) ................. 11.00x16
Rear Tire Size (2WD) ................. 18.4R42
Front Tire Size (4WD) ................. 14.9R30
Rear Tire Size (4WD) ................. 18.4R42
| Hydraulics and Hitch |
Hydraulic System Type ................. Closed center, pressure and flow compensated
Hydraulic Pump Type ................. Axial-piston
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
Lift Capacity at lift pin (Std), lbs (kg) ................. 10050 (4560)
Lift Capacity at lift pin (Opt), lbs (kg) ................. 14000 (6350)
| Dimensions and Weight |
Wheelbase, in (mm) ................. 112.6 (2860)
Overall Length, in (mm) ................. 212.2 (5380)
Overall Height, in (mm) ................. 125.4 (3180)
Overall Width, in (mm) ................. 96-118 (2430-2990)
Ground Clearance (2WD), in (mm) ................. 25.6 (650)
Ground Clearance (4WD), in (mm) ................. 22 (560)
Turning Radius, in (mm) ................. 208 (5260)
Weight (2WD), lbs (kg) ................. 15,501 (7030)
Weight (4WD), lbs (kg) ................. 16,502 (7485)
Weight (IVT), lbs (kg) ................. 17033 (7725)
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| Farm Tractors Technical Specifications |