7.3the Big Short -

The engine is frequently cited as a "beast" for towing and hauling, bridging the gap between standard gas engines and more expensive diesel options.

It handles large loads—like a 16,000 lb fifth-wheel—effectively, though users note it lacks the high-torque "grunt" and exhaust braking of engines like the 6.7L Power Stroke. 7.3The Big Short

“It will pull your house off of the foundation and not even feel it behind it... but you're going to get 10 mpg whether you're dragging that house around or not.” Facebook · James Osieczanek · 1 year ago The engine is frequently cited as a "beast"

Dirty injectors or faulty idle air control valves can occasionally cause rough idling or hesitation. Ownership Experience but you're going to get 10 mpg whether

Some 2020–2022 models experienced premature metal failure in the lifter rollers, which can destroy the camshaft and require a full engine replacement.

While marketed for its longevity, some early owners have reported significant internal issues:

Some speculate that low oil pressure at idle (as low as 8 psi by design) may contribute to these failures.