What Continuous Duty Does to a Grove Crane, and What to Replace on Time
A crane ages by the cycle, not by the calendar. Two units from the same year can wear at very different rates. One works single shifts on prepared ground. The other works double shifts in a dusty yard with heavy picks.
That difference shows up in the components first. Ropes, seals, and friction material absorb whatever the job demands. Give the machine a hard schedule and those items give back...