John Deere 7720

Name: John Deere 7720
Brand: John Deere

Power

172 hp

Production

2004-2007

Engine

Turbocharged diesel, 6-cylinder

Transmission

PowrQuad Plus

Drive

2WD/4WD

140–200 HP 2000s

From the same series:

7820

Introduction

John Deere 7720 Row-Crop Tractor

The John Deere 7720 is a row-crop tractor produced between 2004 and 2007 at the John Deere facility in Waterloo, Iowa, USA. Designed for versatile agricultural operations, it belongs to the 7020 series and provides a balance of power and maneuverability.

Engine and Performance

The tractor is powered by a 6.8-liter, 6-cylinder liquid-cooled turbocharged diesel engine. It delivers a rated net power of 167.6 hp (125.0 kW) at 2100 rated RPM, with a maximum gross power reaching 185.1 hp (138.0 kW). The engine features a 17:1 compression ratio and uses a standard firing order of 1-5-3-6-2-4.

Transmission and Drivetrain

The 7720 offers multiple transmission configurations, including the 16-speed or 20-speed PowrQuad Plus partial power shift, the AutoQuad Plus with automatic load-matched shifting, and the AutoPowr IVT infinitely variable transmission. All versions utilize a hydraulic wet disc clutch and provide power shuttle shifting between forward and reverse gears. Available in both two-wheel and four-wheel drive configurations, the tractor includes power steering and hydraulic wet disc brakes.

Hydraulics and PTO

The hydraulic system is a closed-center, pressure-flow compensated (PFC) type, featuring a pump flow capacity of 32.2 gpm (121.9 lpm) at a pressure of 3046 psi. The independent rear PTO supports 540/1000 RPM speeds, with economy modes available at 1750 engine RPM. An independent front PTO is also available as an optional feature.

Dimensions and Hitch

With a wheelbase of 112.6 inches (286 cm), the tractor supports a rear 3-point hitch (category 3/3N) with a standard lift capacity of 10,050 lbs (4558 kg), extendable to 14,000 lbs (6350 kg) with options. The machine comes standard with a cab and offers various axle width configurations to suit specific crop row spacing requirements.

Conclusion

"The John Deere 7720 is a robust, multi-purpose tractor suitable for a wide range of row-crop applications. Its variety of transmission options and hydraulic capabilities make it a reliable choice for professional agricultural environments requiring high-output performance and operator comfort."

Introduction

Production Information of John Deere, 7720

The production information of the tractor (7720) includes details about its manufacturing.

Row-Crop tractor

Built in Waterloo, Iowa, USA


Manufacturer	John Deere

Dimension and Tires Information of John Deere, 7720

This section sums up the dimension and tires information of the tractor.


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


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

Engine Specifications of John Deere, 7720

Get the specifications for the engine and if different options are available.

Liquid-cooled inline

Turbocharged diesel

6-cylinder


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

Transmission Information of John Deere, 7720Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1

Four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser. Power shuttle shifting between forward and reverse.


Transmission	PowrQuad Plus
Clutch	Hydraulic wet discs
Type	Partial power shift
Gears	16 forward and reverse

Transmission variants 2

Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse.


Transmission	PowrQuad Plus
Gears	20 forward and reverse
Clutch	Hydraulic wet discs

Transmission variants 3

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	AutoQuad Plus
Gears	20 forward and reverse
Clutch	Hydraulic wet discs

Transmission variants 4

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). The IVT was available on the 7720 only when equipped with four-wheel drive.


Transmission	AutoPowr IVT
Type	Infinitely variable transmission
Gears	Infinite forward and reverse

16-speed partial power shift

20-speed

Infinitely variable transmission

Mechanical Specs of John Deere, 7720Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two- or four-wheel drive

Cab standard.

Power steering

Hydraulic wet disc brakes

Power Information of John Deere, 7720Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


	1000E@1750
Rear PTO	Independent
	1000@1950
Engine RPM	540@1950
Clutch	Hydraulic wet discs
Front PTO	Independent OptOptional
	540E@1750
Rear PTO Type	540/1000 (1.375)
Front PTO Type	1000 (1.375)

Hydraulics Specifications of John Deere, 7720

Hydraulic system type, pressure, pump flow and valves.


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

Three-Point Hitch of John Deere, 7720

Hitch category and rear/front lift capacity.


Rear Type	3/3N
Rear lift	10050 lbs [4558 kg]
	14000 lbsOptOptional [6350 kg]

Electrical System of John Deere, 7720

Battery voltage, charging system and ground.


Ground	Negative
Battery CCA	925
Batteries	2
Charging system	Alternator
Battery volts	12
Charging amps	150

Frequently asked questions

How much horsepower does the John Deere 7720 have?

The John Deere 7720 delivers 172 HP.

What years was the John Deere 7720 produced?

The John Deere 7720 was produced in 2004-2007.

What engine does the John Deere 7720 have?

The John Deere 7720 is powered by a Turbocharged diesel, 6-cylinder engine.

What transmission does the John Deere 7720 use?

The John Deere 7720 uses a PowrQuad Plus transmission.

Is the John Deere 7720 4WD?

The John Deere 7720 is available in 2WD/4WD.

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