Lead time should be assessed alongside commissioning date, parts strategy, critical spares, warranty, service support, and rebuild path. A short initial lead time is not enough if parts are difficult to obtain after delivery. Ask which items are standard, which are custom, what should be stocked on site, and how parts are identified when maintenance needs support. Ask which items are standard, which are custom, what should be stocked on site, and how parts are identified when maintenance needs support.