6.6L Gas engine longevity?

[rick25s]

Any know the expected longevity of a well-maintained never-abused. 6.6L Gas engine?
The engine is fairly new, but anybody out there have a lot of miles on it? how many?

Thanks.

 

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[yzf1999]

I know it’s built with forged rods and crank… it does NOT have cylinder deactivation. My guess is the motor was designed for heavy duty use.