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
ShinerBock's avatar
ShinerBock
Explorer
Oct 28, 2020
Although, they already came up with a way to lock out 6th and I don't even have to be in tow/haul mode. It is that little button on the shifter with a "-" on it. I believe your truck has one too!!!!

It would not be that smart to lock out 6th in tow/haul for the times I am towing lighter 7k loads or towing on flat land with little wind drag.

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