Maserati GRANTURISMO MC - Transmission System Information; Gearbox Description

MASERATI GRANTURISMO MC TROFEO/GT4 SERVICE MANUAL
15
Ver 1.0 2/16
7. Transmission
7.1. Gearbox
The car is equipped with a 6 gear + reverse gearbox, with electro-hydraulic control.
7.1.1. Transmission Ratios
The transmission ratios are fixed and are shown in the following table.
Gear
Input
shaft
Output
shaft
Gear
Ratio
Z1
Z2
Z1/Z2
1st
14 / 45
14
45
0.311
2nd
20 / 41
20
41
0.488
3rd
23 / 33
23
33
0.697
4th
31 / 34
31
34
0.912
5th
31 / 28
31
28
1.107
6th
37 / 28
37
28
1.321
R
14 / 46
14
46
0.304
Bevel
11 / 46
11
46
0.239
The following diagram shows the speed vs. RPM relationship for the different gears, in two
possible rear tyres configurations: 305/680/18 (old spec 2010, do not consider) and
325/705/18 (current spec, named Trofeo).