Discover the secrets behind the legendary durability of the Cummins 6BT and Mercedes OM617 diesel engines, and why they'll ...

Diesels have earned a reputation for longevity, durability, and hard-nosed efficiency, but these proved to be some of the ...

Discover the Toyota 1HZ and other engines that mechanics swear by. Still powering new cars in 2025, these reliable motors ...

I love the OM617 and its 4 potted brother, the 616, for their sound. Imo much better than the modern diesel engines. The question whether it is beneficial to use something longer or replace it early ...

The Mercedes-Benz W123 series was one of the most successful model lines in the history of the brand, with almost 2.7 million units built between 1976 and 1985, when it was replaced by the W124.