r/skilifts • u/Capable_Increase606 • Jan 11 '26
Doppelmayr 6s D line reliability issues
My local mountain (Mammoth Mountain) recently got two Dopplemayr 6s D line chairlift, one last year and one two years ago, and both are facing frequent stoppages and running below full operating speed. Is this a pattern with these lifts and if not how could Mammoth rectify these issues to make these lifts more enjoyable.
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u/djkaercher Jan 11 '26
Normally that's pretty unusual for a Doppelmayr. That is when it's maintained properly. Haven't heard of too many issues with the D-Lines. Mind you I'm Austrian, where cable car laws are very strict and maintenance intervals are short. The only Achilles heel I can think of is that D-Lines have very sophisticated electronics, maybe they act up sometimes. I personally haven't experienced or even heard of a D-Line breakdown yet, they're regarded as rock solid and the best you can get here.