The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful locomotives to mining equipment and more.

While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...