In 2005, GM sold EMD to Greenbriar Equity Group LLC and Berkshire Partners LLC, which formed Electro-Motive Diesel, Inc., to facilitate the purchase.
Leta 1930 je General Motors Corporation (GM) kupil podjetji Winton Engine Co. in Electro-Motive Company, in jih 1. januarja 1941 združil v "Electro-Motive Division" (EMD) - kot divizija podjetja GM.