V18 engine
A V18 engine is an eighteen-cylinder piston engine where two banks of nine cylinders are arranged in a V configuration around a common crankshaft.
V16 engines are a rare configuration, with large V18 diesel engines have seen limited use in haul trucks, electricity generation, rail transport, and marine propulsion. There are no known automobiles that have used V18 engines.Examples
The BelAZ 75600 and Liebherr T 282B haul trucks are powered by the Cummins QSK78 engine, while the Komatsu 960E-1 haul truck is powered by the Komatsu SSDA18V170 engine.
In 1972, the Candian locomotive manufacturer MLW-Worthington produced the MLW M640 prototype diesel-electric locomotive powered by the ALCO 18-251 engine, however the locomotive did not reach production.
