C
Caterpillar
13
Cummins
9
D
Detroit
1
F
Ford
1
FPT
1
G
GM
1
I
Iveco
2
M
MAN
19
Mercruiser
16
Mercury
14
Mercury-Racing
1
MTU
5
N
Nanni
1
P
Perkins
1
S
Selva
1
Suzuki
8
V
VM Motori
1
Volkswagen
1
Volvo
35
Volvo Penta
181
Y
Yamaha
5
Yanmar
2