John Deere 7720

2004 - 2007

7020 Series

Row-Crop tractor

Manufacturer

John Deere

Row-Crop tractor

Built in Waterloo, Iowa, USA

John Deere 6.8L 6-cyl diesel

Engine (gross)

172.9 hp 128.9 kW

Engine (net)

167.6 hp 125.0 kW

Engine (max)

185.1 hp 138.0 kW

PTO (claimed)

140 hp 104.4 kW

Drawbar (tested)

129.08 hp 96.3 kW

PTO (tested)

159.79 hp 119.2 kW

Two- or four-wheel drive

Power steering

Hydraulic wet disc brakes

Cab standard.

Fuel

103.5 gal 391.7 L

94.7 gal (with right step) 358.4 L

Hydraulic system

28.5 gal 107.9 L

Front axle

15.2 qts 14.4 L

Front hubs

2 qts 1.9 L

HD Front hubs

4 qts 3.8 L

Type

closed-center pressure-flow compensated (PFC)

Capacity

28.5 gal 107.9 L

Pressure

3046 psi 210.0 bar

Valves

7

Pump flow

32.2 gpm 121.9 lpm

SCV flow

30 gpm 113.6 lpm

Rear Type

3/3N

Rear lift

10050 lbs 4558 kg

14000 lbsOptOptional 6350 kg

Rear PTO

independent

Clutch

hydraulic wet discs

Rear PTO Type

540/1000 (1.375)

Engine RPM

540@1950

1000@1950

540E@1750

1000E@1750

Front PTO

independent OptOptional

Front PTO Type

1000 (1.375)

Wheelbase

112.6 inches 286 cm

Weight

15501 to 17033 pounds

Front tire

11.00-16

Rear tire

18.4R42 (2WD)

Ground

negative

Charging system

alternator

Charging amps

150

Batteries

2

Battery CCA

925

Battery volts

12

7020 Series published in 2003, by John Deere

7020 Series published in 2004, by John Deere

7020 Series published in 2005, by John Deere

Get around-the-clock performance with the new 7020 Series Tractors published in 2003, by John Deere

Manufacturer

John Deere

Configuration

turbocharged diesel, 6-cylinder, liquid-cooled inline

Displacement

414 ci 6.8 L

Bore/Stroke

4.19x5.00 inches 106 x 127 mm

Rated Power (net)

167.6 hp 125.0 kW

Rated Power (gross)

172.9 hp 128.9 kW

Maximum Power (net)

179.7 hp 134.0 kW

Maximum Power (gross)

185.1 hp 138.0 kW

Compression

17:1

Rated RPM

2100

Idle RPM

875-2200

Firing order

1-5-3-6-2-4

Starter volts

12

Oil capacity

27.5 qts 26.0 L

Coolant capacity

33.8 qts 32.0 L

16-speed partial power shift

20-speed

infinitely variable transmission

Transmission

PowrQuad Plus

Type

partial power shift

Gears

16 forward and reverse

Clutch

hydraulic wet discs

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

Gears

20 forward and reverse

Clutch

hydraulic wet discs

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

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

Transmission

AutoQuad Plus

Gears

20 forward and reverse

Clutch

hydraulic wet discs

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.

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

Transmission

AutoPowr IVT

Type

infinitely variable transmission

Gears

infinite forward and reverse

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.

Standard tires (ag)

Front: 11.00-16. Rear: 18.4R42 (2WD)

Front: 14.9R30. Rear: 18.4R42 (4WD)

Wheelbase

112.6 inches 286 cm

Length

212.2 inches 538 cm

240.4 inches (with front weights) 610 cm

Width

96 inches (short axle) 243 cm

118 inches (long axle) 299 cm

Height (cab)

125.4 inches 318 cm

2WD Clearance (front axle)

25.6 inches 65 cm

4WD Clearance (front axle)

22.3 inches 56 cm

2WD Clearance (drawbar)

16.7 inches 42 cm

4WD Clearance (drawbar)

16.3 inches 41 cm

Rear axle

3.622 by 96 inches 91 by 2438 mm

Rear axle

3.622 by 110.5 inches 91 by 2806 mm

Rear axle

3.622 by 118 inches 91 by 2997 mm

Rear axle

3.937 by 96 inches 99 by 2438 mm

Rear axle

3.937 by 110.5 inches 99 by 2806 mm

Rear axle

3.937 by 118 inches 99 by 2997 mm

2WD Shipping

15,501 lbs 7031 kg

4WD Shipping

16,502 lbs 7485 kg

4WD IVT Shipping

17,033 lbs 7726 kg

4WD PowrQud Operating

16,475 lbs 7473 kg

Ballasted

20,220 lbs 9171 kg

Diesel PowrQuad-Plus 4WD March 30 - April 21, 2004 Link: OCED Tractor Test 1833 file

PTO performance

Max power

159.79 hp 119.2 kW

Fuel use

8.5 gal/hour 32.2 l/hour

Power at rated engine speed

141.89 hp 105.8 kW

Fuel use

8.1 gal/hour 30.7 l/hour

Power at rated PTO speed

150.58 hp 112.3 kW

Fuel use

8.3 gal/hour 31.4 l/hour

Drawbar performance

Max power

129.08 hp 96.3 kW

Fuel use

8.1 gal/hour 30.7 l/hour

Max pull

20604 lbs 9345 kg