The DBAG Class 145 and DBAG Class 146 are Bo'Bo' mainline electric locomotives built by Adtranz primarily for the Deutsche Bahn at the end of the 1990s. The Class 145 is the freight version for DB Cargo; the Class 146 is the passenger version for DB Regio. Additional freight machines were built for the former Swiss railway Mittelthurgaubahn as well as for various private operators and leasing companies.The classes of locomotives are predecessors of the Bombardier TRAXX locomotives.