It was the 1988 SMM exhibition where the Sulzer S20 was unveiled for the first time. The engine was launched with applications in marine propulsion, auxiliary power generation and industrial use as well, with a key focus on meeting the marker requirements of the 1990s. It featured a bore of 200 mm and a stroke of 300 mm that helped it yield a remarkably high stroke/bore ratio at the time, leading to much more efficient combustion. Sulzer S20 engines can produce power between 570 kW to 1,300 kW at speeds of about 720 rpm to 1,000 rpm. The S20 engine had several features that made it popular such as bore cooled combustion spaces for heavy fuel operation, load adaptable turbocharging and nodular pistons for small clearances. A major milestone in the S20 legacy was the uni-fuel concept – the ability to run on the same grade of HFO as large main engines. This reduced operational costs for vessel owners quite a lot. The S20 was upgraded to variants such as S20U and S20H. 

Though the S20 engines are now considered legacy engines, support for S20 engines still remains available through Sulzer specialists, OEMs and independent engine parts suppliers. With access to original unused surplus components sourced from decommissioned vessels and reliable sourcing through trusted local traders, Alang Maritime is a dependable option for Sulzer S20 engine spare parts.

Engine Configurations: 6S20, 8S20, 9S20, 6S20H, 8S20H, 9S20H, 6S20U, 8S20U, 9S20U

Supply scope of Alang Maritime for S20 engines:

Complete engines, crankshafts, cylinder heads, cylinder liners, pistons, connecting rods, engine blocks, exhaust valves, inlet valves, valve seats, bearings, lube oil pumps, air starters, fuel injectors, plungers and other consumables.

Alang Maritime is one of Southeast Asia’s premier suppliers of high quality second hand spare parts for two-stroke and four-stroke marine diesel engines. We can supply new (unused surplus) parts that are obtained from scrap vessels or shipowners’ surplus from cancelled projects. We can also supply reconditioned parts, as well as used parts that are offered with technical reports.

The brands that we supply parts for are:

Yanmar | Daihatsu | MaK | Wärtsilä | MAN B&W | Bergen | Sulzer | Pielstick | Caterpillar | Niigata | Hyundai-HiMSEN

Alang Maritime stocks new, reconditioned, as well as quality controlled used parts for marine diesel engines. Our strengths are our 30+ years of experience in the maritime industry, a huge stocking space of more than 3,500 sq. mt., an extensive stock of more than 25,000+ engine parts, our technical knowledge of marine diesel engines and our close proximity to the Indian ship recycling yard of Alang. That is why Alang Maritime is your premier solution for high quality marine diesel engine parts at an economical cost.