Pre orders for Micro Trains Line. As you know, MTL usually announces new product the start of each month in a pre order format. Pre ordering helps MTL gauge demand and actually helps keep cost down on inventory. Our pre order system is simple with just a 25 percent deposit. There is typically a 30 day window in which to place your pre order, there by guaranteeing you the product. Usually there is a 5-6 month lead time, each pre order listing will show expected delivery date. When product arrives, you will be sent a Paypal invoice for the balance. You can place pre orders after the cut off date but orders are not guaranteed. If order past cut off date cannot be filled, deposits will be returned promptly in full.