Mobile equipment in an Al foundry? More information is needed to arrive at answers. Are we a casting operation, a prime metal producer or a secondary metal producer. Do we ship in ingot, piglets, sows, or molten. What departments are we dealing with? How is the raw product received by rail or truck? Are we dealing with metal reclaimation? What is the level of operator training? What types of mobile equipment are we using in the various departments? How is the supervision in the departs and to what level are they trained? What is the manufacturing cost per pound? What is the profit margin we are dealing with? What is the average life expectancy of each of the types of equipment vs the purchase price?