The AC44i is a large locomotive manufactured in Contagem (MG) by GE Transportation with a nationalization rate of 63% of the components used. It is an alternating current diesel-electric machine that delivers a power of 4500 HP in its 195,000 kg. It is currently the most important locomotive on the national railway network and is used to transport the most diverse commodities such as sugar, soybeans, iron ore, oil, bauxite, etc. They can be seen in operation more openly in the states of São Paulo, Minas Gerais and Rio de Janeiro where they transport products to the port of Santos (SP).