For light duty generally an auxiliary cooler of any kind (engine oil, transmission fluid, power steering fluid, turbo'ed air) is installed upon a vehicle that is going to see some type of severe duty (for example, my girlfriends Eclipse GSX has auxiliary coolers and an inter-cooler for performance).
As far as trucks are concerned, the general practice is for a ';Towing'; or ';Snow Plow'; package to be offered as an option when the truck is originally built.
It's the same as the Duramax package (I believe it was called severe towing package previously) offered on Chevy trucks. With the Duramax package you automatically get dual batteries, a turbo, a diesel engine (of course) and an Allison 6 speed automatic transmission.
There are exceptions...such as the Cummins powered Dodge Rams. They can be so base model as to have a vinyl floorboard and vinyl bench seat, but will still have a powerful turbo, heavy duty front and rear axles, and an inter-cooler (an inter-cooler cools the air coming from the turbo so that it can increase engine horsepower and torque even more).
Basically, the answer to your question is ';No';, as far as past models are concerned. Trucks did not generally come with an engine oil cooler. If a buyer opted for the towing or snowplow option, however, that was where it was offered.
I haven't really worked on much newer stuff.
If we're talking medium duty and up...then generally they put ANYTHING they can on them to assist the powertrain in staying cool and lubricated.Do most trucks have an oil cooler?
not all of them do! it,s usually those big trucks.
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