


The maximum speed in service is 125 mph (201 km/h). The Charger is powered by a Cummins 16-cylinder QSK95 4-stroke high speed diesel engine, which meets United States Environmental Protection Agency's more stringent Tier 4 emissions standards that took effect in 2015. The Charger is often paired with Venture passenger cars, also built by Siemens, as part of a trainset. The first ALC-42 was delivered to Amtrak on Jand entered revenue service on Februon the Empire Builder. It was followed by the SCB-40, which inaugurated Brightline service on January 13, 2018. The first production Charger, a SC-44, was unveiled on March 26, 2016, and entered revenue service on August 24, 2017.

There are five variants of the Charger, tailored for different operators and types of service: ALC-42 for Amtrak long-distance service, ALC-42E dual mode for Amtrak inter-city and long-distance routes that serve the Northeast Corridor, SC-44 for Amtrak state-supported inter-city service or commuter rail operators, SCB-40 for Brightline inter-city service and SCV-42 for VIA Rail inter-city service in Canada. The Siemens Charger is a family of diesel-electric passenger locomotives designed and manufactured by Siemens Mobility for the North American market. Data refers to the following except where noted:
