C
Caterpillar
22
Cummins
10
F
Ford
1
G
GM
1
H
Henschel
1
I
Iveco
6
J
Johnson
1
M
MAN
25
Mercruiser
2
MTU
5
N
Nanni
1
V
Volvo
5
Volvo Penta
37
Y
Yanmar
13