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John Deere 7720

John Deere 7720 tractor
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The John Deere 7720 is a row-crop tractor produced from 2004 to 2007 as part of the 7020 Series. It was built in Waterloo, Iowa, USA. It features a John Deere 6.8L 6-cylinder turbocharged diesel engine with rated net power of 167.6 hp and gross power of 172.9 hp. Transmission options include 16-speed and 20-speed partial power shift, as well as an infinitely variable transmission (IVT) available with four-wheel drive. The tractor offers two- or four-wheel drive, power steering, hydraulic wet disc brakes, and a standard cab. It has a wheelbase of 112.6 inches and weighs between 15,501 and 17,033 pounds depending on configuration. The 7720 supports a rear hitch lift capacity of up to 14,000 lbs optionally and features independent rear and optional front PTOs. Fuel capacity is up to 103.5 gallons. The tractor is part of a series including the 7710, 7730, and 7820 models.
John Deere 7720tractorspecificationsenginetransmissiondimensionshydraulicsPTOfarm tractor
Power172 hp
Founded2004 - 2007
Model7720

Technical Specifications

Detailed specifications and technical data for John Deere 7720

Power

Engine (max):185.1 hp (138.0 kW)
Engine (net):167.6 hp (125.0 kW)
PTO (tested):159.79 hp (119.2 kW)
PTO (claimed):140 hp (104.4 kW)
Engine (gross):172.9 hp (128.9 kW)
Drawbar (tested):129.08 hp (96.3 kW)

Tires

Optional tires:Front: 14.9R30. Rear: 18.4R42 (4WD)
Standard tires (ag):Front: 11.00-16. Rear: 18.4R42 (2WD)

Engine

Type:turbocharged diesel
Cooling:liquid-cooled inline
Idle RPM:875-2200
Cylinders:6-cylinder
Rated RPM:2100
Bore/Stroke:4.19x5.00 inches (106 x 127 mm)
Compression:17:1
Displacement:414 ci (6.8 L)
Firing order:1-5-3-6-2-4
Manufacturer:John Deere
Oil capacity:27.5 qts (26.0 L)
Starter volts:12
Coolant capacity:33.8 qts (32.0 L)
Rated Power (net):167.6 hp (125.0 kW)
Maximum Power (net):179.7 hp (134.0 kW)
Rated Power (gross):172.9 hp (128.9 kW)
Maximum Power (gross):185.1 hp (138.0 kW)

Capacity

Fuel:103.5 gal (391.7 L), 94.7 gal (with right step) (358.4 L)
Front axle:15.2 qts (14.4 L)
Front hubs:2 qts (1.9 L)
HD Front hubs:4 qts (3.8 L)
Hydraulic system:28.5 gal (107.9 L)

Dimensions

Length:212.2 inches (538 cm)
Wheelbase:112.6 inches (286 cm)
Height (cab):125.4 inches (318 cm)
Weight range:15501 to 17033 pounds
Rear axle options:3.622 by 96 inches (91 by 2438 mm),3.622 by 110.5 inches (91 by 2806 mm),3.622 by 118 inches (91 by 2997 mm),3.937 by 96 inches (99 by 2438 mm),3.937 by 110.5 inches (99 by 2806 mm),3.937 by 118 inches (99 by 2997 mm)
Width (long axle):118 inches (299 cm)
Width (short axle):96 inches (243 cm)
2WD Clearance (drawbar):16.7 inches (42 cm)
4WD Clearance (drawbar):16.3 inches (41 cm)
Length with front weights:240.4 inches (610 cm)
2WD Clearance (front axle):25.6 inches (65 cm)
4WD Clearance (front axle):22.3 inches (56 cm)

Electrical

Ground:negative
Batteries:2
Battery CCA:925
Battery volts:12
Charging amps:150
Charging system:alternator

Hydraulics

Type:closed-center pressure-flow compensated (PFC)
Valves:7
Capacity:28.5 gal (107.9 L)
Pressure:3046 psi (210.0 bar)
SCV flow:30 gpm (113.6 lpm)
Pump flow:32.2 gpm (121.9 lpm)

Mechanical

Cab:standard
Drive:Two- or four-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:Power steering

Production

Type:Row-Crop tractor
Series:7020 Series
Built in:Waterloo, Iowa, USA
Years produced:2004 - 2007

Transmission

AutoPowr IVT:infinitely variable transmission, infinite forward and reverse gears, hydro-mechanical IVT controlled via right-hand speed lever and left-hand reverser lever, knob on speed lever adjusts set speeds for two ranges, minimum speed of 50 meters per hour (164 feet per hour), available only with four-wheel drive
AutoQuad Plus:20 forward and reverse gears, hydraulic wet discs clutch, 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 options:16-speed partial power shift, 20-speed, infinitely variable transmission
PowrQuad Plus (16-speed):partial power shift, 16 forward and reverse gears, hydraulic wet discs clutch, four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser, power shuttle shifting between forward and reverse
PowrQuad Plus (20-speed):20 forward and reverse gears, hydraulic wet discs clutch, four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser, power shuttle shifting between forward and reverse

Tractor hitch

Rear Type:3/3N
Rear lift:10050 lbs (4558 kg), 14000 lbs Optional (6350 kg)

Power Take-off (PTO)

Clutch:hydraulic wet discs
Rear PTO:independent
Front PTO:independent Optional
Engine RPM:540@1950, 1000@1950, 540E@1750, 1000E@1750
Rear PTO Type:540/1000 (1.375)
Front PTO Type:1000 (1.375)

Serial Number Location

Location:On tractor frame, front right-hand side.

Related Models

John Deere 7730

Model:7730

John Deere 7820

Model:7820

John Deere 7710

Model:7710