With any equipment, machinery, or vehicles, there will always come a time when it needs to be replaced. For many motive operations, it's tough to figure out when the right moment is. Of course, once you reach this point there's obviously a reason why the question occurs; reasons can run the whole gamut, from downtime issues to excessive repair costs, from a decrease in productivity to being beyond the warranty period. Here are some thoughts to help you develop some "bright lines" for making decisions on when to swap out your forklifts.