Forum Discussion

ShinerBock's avatar
ShinerBock
Explorer
Oct 20, 2020

Why diesels are most efficient around 1,800 rpm

Finally got more of an answer to why all diesels are most efficient around 1,800 rpm. In comparison to what I thought, it has more to do with how diesel burns than other things like compression ratio...
Tow Vehicles
4x4ord's avatar
4x4ord
Explorer III
Oct 24, 2020
Yup that was kind of stupid of me ..... sorry Shiner if you took offence. I’m certain if Shiner took a ride in one of our big trucks he’d see those engines are happier at 1300 rpm than they are at 1800 under light loads. Certainly the operator is happier.

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