959 TRANSAXLE SPECIFICATIONS

959/01

959 1986-88

6-speed fully-synchronized AWD transaxle

Manufactured by Porsche

PSK (Porsche-Steuer Kupplung) high-pressure hydraulic electronic-controlled variable traction system (front differential and center differential. Center differential uses 6 individually-controlled clutches providing increasing torque transfer to the front differential as each clutch is engaged in sequence.)

Gear ratios:

1st gear: 3.50

2nd gear: 2.06

3rd gear: 1.41

4th gear: 1.04

5th gear: 0.81

6th gear: 0.64

Ring and pinion: 4.125