C
Caterpillar
23
Cummins
4
D
Detroit
1
F
FPT
2
G
GM
1
I
Iveco
2
M
MAN
21
Mercruiser
1
MTU
3
N
Nanni
1
S
Scania
1
V
Volvo
8
Volvo Penta
52
Y
Yanmar
5