7
Technical specifications
227
Alternator
Version Quattroporte
– NIPPONDENSO 12V 150A
Version Quattroporte S
– NIPPONDENSO SC2 12V 150A
Lubrication system
The lubrication system is controlled by
the wet sump system through an oil
pump and the relative suction screen,
incorporated in the crankcase.
Cooling system
Engine cooling is ensured by an anti-
freeze mixture circulating inside a
circuit equipped with radiator,
centrifugal pump and expansion tank.
Transmission
Electro-hydraulically controlled
gearbox with 6 gears, torque
converter, lock-up clutch and anti-slip
function.
Modular TRANSAXLE transmission
shaft.
Traction system equipped with rear
self-locking differential.
Gearshifting
Six forward speeds and one reverse.
Gear Gearbox ratios Total reduction ratios
1
st
gear 4.171 14.77
2
nd
gear 2.340 8.28
3
rd
gear 1.521 5.38
4
th
gear 1.143 4.05
5
th
gear 0.867 3.07
6
th
gear 0.691 2.45
Reverse 3.403 12.05
M139_UM_usa1.book Page 227 Monday, September 1, 2008 2:39 PM
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