John Deere
John Deere 7720
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.
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. |
|---|
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