S Series

We stock 5945 individual items suitable for S20, S20H and S20U including:

  • Fuel Equipment
  • Bearings
  • Sealings, O-Rings etc.
  • Piston Rings

Class Certificate

  • Engine blocks
  • Crankshafts
  • Pistons (with hardened and chromium plated grooves)
  • Connecting rods
  • Coolers
  • Cylinder heads
  • Studs
  • Valves
  • Pipes
  • etc.

Long standing business relations with H. Cegielski ensure the highest quality of our service.


Rugged engine design for long-life reliability, just as given by the larger Z40 and ZA 40 engine types, and draws also on the long experience with R-type crosshead engines.

Long intervals between overhauls with up to 9000 h recommended for combined exhaust valve and piston overhauls on heavy fuel oils.

Straightforward and easy maintenance supported by the BSS service.

Sulzer S-series four-stroke diesel engines are highly adaptable to a wide range of heavy-duty applications, including:

  • marine propulsion
  • marine auxiliary duties
  • base-load generator sets
  • emergency generator sets
  • industrial drives
  • offshore power supplies
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