| Class 253 a co-production of Bombardier and RENFE: 55 units wre assembled almost entirely at the Bombardier factory in Vado Ligure (Italy), and they are subsequently sent to Integria's shops for completion, for attaching the body to the bogie and for testing. The remainder of 45 units, Vado Ligure handles the first assembly phase, and Integria performs the rest of the assembly jobs, attaches the body to the bogies and conducts the operational testing. |