The machinery is worn out, having exceeded its specified (warrantied) lifetime by a factor of 2. The machinery is on the verge of failure, having been operated far beyond the lifetime specified by the manufacturer. The machinery is obsolete (if newer equipment is much better).
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Mister Micawber50% of the machines used at the plant where I work are very, very old.
All our machinery has outlived its usefulness.
All our machinery is fully depreciated.All our machinery is operating / has operated / has continued to function for double its predicted lifespan.THANK YOU SO MUCH MM!
MUSCOVITEWell, looks like "to outlive its usefulness" DOES make sense to native speakers!Yes, it is fairly common, but implies that the object is no longer functioning very well.