Inline-seven Engine
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A straight-seven engine or inline-seven engine is a straight engine with seven cylinder (engine), cylinders. It is more common in Marine engine, marine applications because these engines are usually based on a modular design, with individual heads per cylinder.


Marine engines

Straight-seven engines produced for marine usage include: * Wärtsilä-Sulzer RTA96-C two-stroke crosshead diesel engine * Wärtsilä 32 trunk piston engines * ''MAN Diesel IMO'' two-stroke crosshead diesel engine * ''Burmeister & Wain 722VU37'' two-stroke diesel engine (commenced 1937, used in the Danish ''Havmanden-class'' submarines * ''Sulzer 7QD42'' diesel engine (1939-1940, used in the Dutch O 21-class submarines).


Land use

The ''AGCO Sisu'' is a straight-seven diesel engine that was released in 2008. Intended for farming machinery, the engine shares various components with the company's straight-six engine.


References

Piston engine configurations, Straight-07 Seven-cylinder engines Straight engines, Straight-07 {{Mech-engineering-stub