We offer full range of spare parts for engines type A20, A25, AS25, AT25, S20 as well as engine type Z40 and its variants. Companies STr and HCP cooperate also in the field of supply of parts for main engines type RL, RD, RND, RT, RTFlex manufactured under license of Wärtsilä Switzerland Ltd (commonly known as type Sulzer) and L, S, K under license of MAN Diesel & Turbo SE (commonly known as type B & W).