Quote:
Originally Posted by cRiPpLe_rOoStEr
Such option remaining available just shows how drums might not be that bad at all, for the right applications, or if the operator or a fleet manager is too concerned about discs bending under harsh operating conditions.
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The feedback that comes back to me is that some fleet managers prefer drums to discs because disc brakes work too well. They don't overheat nearly as fast as drum brakes so drivers use the brakes more instead of relying so heavily on compression braking. The more the driver uses the brakes - the faster they wear out - the more trips to the shop for brake replacements.
There are also some severe use conditions like Piotrsko mentioned. Loggers and dump trucks tend to prefer drums for example.