John Deere turbocharged diesel 6-cylinder liquid-cooled inline
Displacement
414ci / 6.8L
Bore/Stroke
4.19x5.00inches / 106x 127mm
Rated Power (ECE R24)
167.6hp / 125.0kW
Rated Power (EC 97/98)
172.9hp / 128.9kW
Maximum Power (ECE R24)
179.7hp / 134.0kW
Maximum Power (EC 97/68)
185.1hp / 138.0kW
Compression
17:1
Rated RPM
2100
Idle RPM
875-2200
Firing order
1-5-3-6-2-4
Starter volts
12
Oil capacity
27.5qts / 26.0L
Coolant capacity
33.8qts / 32.0L
JOHN DEERE 7720 ENGINE
Description
John Deere 6.8L 6-cyl diesel
TRANSMISSIONS OVERVIEW
Description
16-speed partial power shift 20-speed infinitely variable transmission
TRANSMISSION 1
Transmission
PowrQuad Plus
Type
partial power shift
Gears
16 forward and reverse
Clutch
hydraulic wet discs
Description
Four power-shift gears (1-4) in four synchronized ranges (A-D) with left-hand reverser. Power shuttle shifting between forward and reverse
TRANSMISSION 2
Transmission
PowrQuad Plus
Gears
20 forward and reverse
Clutch
hydraulic wet discs
Description
Four power-shift gears (1-4) in five synchronized ranges (A-E) with left-hand reverser. Power shuttle shifting between forward and reverse
SPEEDS 1
Description
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed
TRANSMISSION 3
Transmission
AutoQuad Plus
Gears
20 forward and reverse
Clutch
hydraulic wet discs
Description
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
SPEEDS 2
Description
With Group 46 rear tires. Reverse speeds are about 4% faster than corresponding forward speed
TRANSMISSION 4
Transmission
AutoPowr IVT
Type
infinitely variable transmission
Gears
infinite forward and reverse
Description
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
JOHN DEERE 7720 TRANSMISSIONS
Description
16-speed partial power shift 20-speed infinitely variable transmission
MECHANICAL
Description
Two- or four-wheel drive Power steering Hydraulic wet disc brakes Cab standard
CAPACITY
Fuel
103.5gal / 391.7L 94.7gal (with right step) / 358.4L
The 7720 model tractor belongs to the John Deere 7020 Series. The 7720 is a kind of Row-Crop Tractors and is majorly used for Agriculture Tractors activities. The 7720 tractor is equipped by a engine. This setup more usability in the actual world.