While many diesel engines have it to some extent, I can usually tell a CAT engine apart by their distinctive "whine" that is more heavily pronounced. It's almost like background noise if you will that fluctuates with the RPM. Is it the particular way the teeth are grooved in the timing gears?
Just to clear the air, no, I'm not referring to turbo whistle, the exhaust, or some issue that's wrong with the engine. If you've been around many diesel engines in your life which most here have and also retain an acute ability to differentiate engines based purely on sound alone, the slight whine that many CAT engines make is a dead giveaway.
And by the way, I think it's a great noise that only adds to the fierce growl they're known for.
What gives CAT engines their distinctive "whine" noise?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Austen, Mar 31, 2019.
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That $3000 is what you’re hearing
You’re not going to hear a whine from a $700 turbo. It’ll blow up first lolx1Heavy, S M D and Rideandrepair Thank this. -
At 80, my contract gets cancelled. But yes, ungoverned trucks can get down the road with ease. Tire ratings are what keeps most drivers from running faster than 80.
Hard to say what kind of engine he had. But most can run for days on end at that speed. If they had enough fuel
Rideandrepair and TPDoverTN Thank this. -
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