Talgo has offered to supply a fleet of 33 200m-long trains based on the Talgo 350 supplied to Renfe, but modified for Saudi conditions. The contract also includes track laying, electrification, signalling, and train control. Adif and Renfe would be responsible for maintaining and operating the railway for 12 years.

The other bidder for the contract was the Al Rajhi Group which included Alstom and French National Railways (SNCF).