Forum Discussion
nremtp143
Mar 06, 2018Explorer
rowekmr wrote:
Aren't the the older 450/4500 diesel engines derated? I am not sure about the newer ones.
I once drove a 2008 F450 with factory 4.30 or 4.88 gear that drank fuel like a gasser.
Only the chassis/cab ones are derated. The ones sold as a 450 are the normal power ratings...
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