The MAN RK 215 is a line of diesel engines built by MAN

Man

The term man is used for an adult human male . However, man is sometimes used to refer to humanity as a whole...

 (previously Ruston

Ruston

-Place names:United States* Ruston, Louisiana* Ruston, WashingtonUnited Kingdom* Ruston, North Yorkshire, England-Companies:* Ruston , railway locomotive and industrial equipment manufacturer in Lincoln, England**Ruston & Hornsby, descendent of Ruston, Proctor & Co.**Ruston-Bucyrus, manufacturer...

). The RK 215 series is a large four-stroke diesel engine that has a 11 liter displacement per cylinder

Cylinder (engine)

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...

.

RK215 diesel engines have also been manufactured in Iran by DESA diesel

Desa diesel

The Iran Heavy Diesel Manufacturing Company was established in 1991 to manufacture heavy diesel engines from 200 to 3500 KW for railway, marine and Power generation purposes.-History:...

,

Applications

Rail

12 and 16 cylinder versions have been used in main line diesel electric locomotives including the Alstom

Alstom

Alstom is a large multinational conglomerate which holds interests in the power generation and transport markets. According to the company website, in the years 2010-2011 Alstom had annual sales of over €20.9 billion, and employed more than 85,000 people in 70 countries. Alstom's headquarters are...

s LDE 3200 locomotive for Syria and M9 for Sri Lanka (12 cylinder), and AD43C

AD43C

The AD43C is a type of mainline 6 axle Co'Co' diesel locomotive designed by Alstom and used by the Islamic Republic of Iran Railways . It was in production from 2000. Delivery started in 2002.-Background:...

 for Iran as well as the KTM Class 29

KTM Class 29

The KTM Class 29 is a class of mainline diesel electric locomotives built in China by Dalian Locomotive and Rolling Stock Company for operations by Keretapi Tanah Melayu of Malaysia on its freight services.-History:...

 for Malaysia (16 cylinder).

Stationary/Marine versions

Like most MAN engines, the RK 215 is also sold for stationary and marine use. It is available in I-6 V-8

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

, V-12

V12 engine

A V12 engine is a V engine with 12 cylinders mounted on the crankcase in two banks of six cylinders, usually but not always at a 60° angle to each other, with all 12 pistons driving a common crankshaft....

 and V-16

V16 engine

A V16 engine is a V engine with 16 cylinders. Engines of this number of cylinders are uncommon in automotive use.A V16 engine is perfectly balanced regardless of the V angle without requiring counter-rotating balancing shafts which are necessary to balance Straight-4 and odd number of cylinder...