Siemens and Cummins to supply locomotives for Amtrak services March 21, 2014 | North America News The Illinois Department of Transportation (IDOT) has formally awarded a USD228-million contract to Siemens and Cummins to supply 32 diesel-electric locomotives for use on Amtrak services in the states... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password