Gearbox ZF 8DT-80

The 8-speed preselective robotic gearbox ZF 8DT-80 has been produced at a plant in Germany since 2016 and is installed on the second generation Porsche Panamera and the platform Bentley Continental 3. There are three versions: rear-wheel drive 8DT80, all-wheel drive 8DT80A, hybrid 8DT80APH.

8DT family: 8DT-55, 8DT-80.

Specifications

Production years since 2016
Type robotic transmission
Number of gears 8
Type of drive all wheel / rear
Engine volume, l up to 6.0
Torque output, Nm up to 1000
Recommended oil Pentosin EG FFL-8
Oil capacity, liter 14.2
Replacing the oil every 60,000 km
Replacing the filter every 60,000 km
Gearbox lifespan, km ~300 000
Weight, kg 150

Gear ratios ZF 8DT-80

Using the example of a Porsche Panamera 2019 with a 4.0 TFSI engine:

Main 3.360
1st 5.966
2nd 3.235
3rd 2.083
4th 1.420
5th 1.054
6th 0.841
7th 0.678
8th 0.534
Reverse 5.220

The transmission was installed on:

  • Bentley Continental GT 3 (3S) since 2018;
  • Porsche Panamera 2 (971) since 2016.

Disadvantages of the ZF 8DT-80 gearbox

  • In the first years of production, owners complained about shocks, but firmware updates fixed everything.
  • If you do not update the oil in the gearbox, then the valve body will have to be cleaned at 100,000 km.
  • With excessively active driving, clutches can become critically worn out by 50,000 km.
  • It is worth noting the high cost of a new gearbox.

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