After running a diesel engine under heavy load, how long should the engine be idled before shutdown?

Name: After running a diesel engine under heavy load, how long should the engine be idled before shutdown?
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Idling a diesel engine for about five minutes before shutdown, especially after it has been under heavy load, allows the turbocharger to cool down and prevents oil from coking in the turbo. This practice helps in prolonging the life of the engine and its components.

After Running a Diesel Engine Under Heavy Load, How Long