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Old 09-02-2021, 10:59 AM   #10 (permalink)
It's all about Diesel
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Originally Posted by Piotrsko View Post
The only down side to drum brakes that I know of is dumping the friction heat on twisty roads or long downhills.
The fitment of engine-braking devices and some transmission-mounted braking retarders (either electro-mechanical or hydraulic) may compensate at least a little of the burden which would otherwise be on the brakes.

I know of big rigs water spray cooling on the drums, but that is frowned upon.
I have never seen any water spray cooling of the drums on any big rig in my country.
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