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Tractor · 2004Unverified

John Deere 7720

Name: John Deere 7720
Brand: John Deere

John Deere 7720 — Row-Crop tractor · 173 hp. Reference specifications; pending source verification.

The John Deere 7720 is a tractor with a power rating of 173 hp, categorising it amongst the more powerful machines in its class. Manufactured between 2004 and 2007, this model features a 6-cylinder turbocharged diesel liquid-cooled engine, coupled with a four-wheel drive system and a powershift transmission. The listed operating weight ranges from 15501 to 17033 pounds. It is designed for use in areas of approximately 600–1,500 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

173 hp

Max power

119.2 kW

Weight

15501 to 17033 pounds

Catalogue coverage

Variants represented

Richest spec table

117 rows

Recorded power

173 hp

Transmissions

16-speed partial power shift

Production years

2004-2007

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Two- or four-wheel driveReference

Power steeringReference

Hydraulic wet disc brakesReference

Cab standard.Reference

Engine

John Deere 6.8L 6-cyl dieselReference

Engine (gross)128.9 kWReference

Engine (net)125.0 kWReference

Engine (max)138.0 kWReference

Drawbar (tested)96.3 kWReference

John DeereReference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement6.8 LReference

Bore/Stroke106 x 127 mmReference

Rated Power (net)125.0 kWReference

Rated Power (gross)128.9 kWReference

Maximum Power (net)134.0 kWReference

Maximum Power (gross)138.0 kWReference

Compression17:1Reference

Rated RPM2100Reference

Idle RPM875-2200Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Oil capacity26.0 LReference

Coolant capacity32.0 LReference

Max power119.2 kWReference

Power at rated engine speed105.8 kWReference

Max power96.3 kWReference

Transmission

16-speed partial power shiftReference

20-speedReference

infinitely variable transmissionReference

TransmissionPowrQuad PlusReference

Typepartial power shiftReference

Gears16 forward and reverseReference

Clutchhydraulic wet discsReference

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

Gears20 forward and reverseReference

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

TransmissionAutoQuad PlusReference

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.Reference

TransmissionAutoPowr IVTReference

Typeinfinitely variable transmissionReference

Gearsinfinite forward and reverseReference

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.Reference

PTO & Hydraulics

PTO (claimed)104.4 kWReference

PTO (tested)119.2 kWReference

Hydraulic system107.9 LReference

Typeclosed-center pressure-flow compensated (PFC)Reference

Capacity107.9 LReference

Pressure210.0 barReference

Valves7Reference

Pump flow121.9 lpmReference

SCV flow113.6 lpmReference

Rear Type3/3NReference

Rear lift4558 kgReference

Rear lift6350 kgReference

Rear PTOindependentReference

Clutchhydraulic wet discsReference

Rear PTO Type540/1000 (1.375)Reference

Engine RPM540@1950Reference

Engine RPM1000@1950Reference

Engine RPM540E@1750Reference

Engine RPM1000E@1750Reference

Front PTOindependentReference

Front PTO Type1000 (1.375)Reference

Power at rated PTO speed112.3 kWReference

Capacities

Fuel391.7 LReference

Fuel358.4 LReference

Front axle14.4 LReference

Front hubs1.9 LReference

HD Front hubs3.8 LReference

Dimensions

Wheelbase286 cmReference

Weight15501 to 17033 poundsReference

Front tire11.00-16Reference

Rear tire18.4R42 (2WD)Reference

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

Standard tires (ag)Front: 14.9R30. Rear: 18.4R42 (4WD)Reference

Length538 cmReference

Length610 cmReference

Width243 cmReference

Width299 cmReference

Height (cab)318 cmReference

2WD Clearance (front axle)65 cmReference

4WD Clearance (front axle)56 cmReference

2WD Clearance (drawbar)42 cmReference

4WD Clearance (drawbar)41 cmReference

Rear axle91 by 2438 mmReference

Rear axle91 by 2806 mmReference

Rear axle91 by 2997 mmReference

Rear axle99 by 2438 mmReference

Rear axle99 by 2806 mmReference

Rear axle99 by 2997 mmReference

2WD Shipping7031 kgReference

4WD Shipping7485 kgReference

4WD IVT Shipping7726 kgReference

4WD PowrQud Operating7473 kgReference

Ballasted9171 kgReference

John Deere 7720 attachments

front-end loaderReference

7720 Serial Number Location

On tractor frame, front right-hand side.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps150Reference

Batteries2Reference

Battery CCA925Reference

Battery volts12Reference

Test results

Diesel PowrQuad-Plus 4WDMarch 30 - April 21, 2004Link: OCED Tractor Test 1833 fileReference

PTO performanceReference

Fuel use32.2 l/hourReference

Fuel use30.7 l/hourReference

Fuel use31.4 l/hourReference

Drawbar performanceReference

Max pull9345 kgReference

Speeds

With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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