Pos Engine            Nat.     Wins

1.  Ferrari           ITA      235*
-----------------------------------
2.  Ford Cosworth     GBR      176
=   Renault           FRA      176*
4.  Mercedes-Benz     GER      171*
-----------------------------------
5.  Honda             JPN       72*
6.  Climax            GBR       40
7.  TAG               LUX       25
8.  BMW               GER       20
9.  BRM               GBR       18
10. Alfa Romeo        ITA       12
11. Maserati          ITA       11
-----------------------------------
12. Vanwall           GBR        9
13. Repco             AUS        8
14. Matra             FRA        3
15. Porsche           GER        1
=   Weslake           GBR        1

* = Active engines