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The Cummins Turbodiesel Inline-Six Is So Reliable It's Still In Production After 30 Years

According to sources such as Ohio Diesel, the current 6.7-liter Cummins inline-six is the most reliable diesel engine used in ...
CarBuzz on MSN

Bulletproof Diesel Engines You Can Trust In 2026

Having worked through the data, we may have just found the most reliable diesel engine going into 2026. As it stands, there are five diesel engines on sale in the USA today going into next year, each ...