List of Amtrak rolling stock

Amtrak operates a fleet of 2,142 railway cars and 425 locomotives for revenue runs and service, collectively called rolling stock. Notable examples include the GE Genesis and Siemens Charger diesel locomotives, the Siemens ACS-64 electric locomotive, the Amfleet series of single-level passenger cars, the Superliner series of double-decker passenger cars, and 20 Acela Express high-speed trainsets. Amtrak also operates 196 locomotives and railcars owned wholly by state partners.

The railroad is currently working to replace its fleet, spending $2.4 billion on 28 Avelia Liberty trainsets for its flagship Acela service and $7.3 billion for 65 Airo trainsets for other Northeast Corridor services. Additionally, California, North Carolina, and a group of Midwestern states purchased Siemens Venture trainsets for use on routes operated by Amtrak in their states, which started entering service in 2022. In 2023, Amtrak announced it had made a request for proposals, looking to replace hundreds of railcars used on long-distance routes.