China Railways Dongfeng DF7G Diesel Electric Locomotive marshalling (东风7G型柴油机车)

The Dongfeng 7G diesel locomotive (DF7G) is one of the diesel locomotives used by China Railways. Dongfeng DF7G is mainly used for marshalling and shunting operations in large and medium marshalling stations, large industrial and mining enterprises, and can also be used for small operation operations on main lines. Dongfeng DF7G locomotives are designed and manufactured by CSR Sifang Locomotive and Rolling Stock Co., Ltd. (Sifang Factory) and China CNR Beijing Erqi Locomotive Factory (Erqi Factory) respectively on the basis of Dongfeng 5 and Dongfeng 7 shunting locomotives . In addition, on the basis of Dongfeng DF7G locomotives, the No. 2 Factory has developed prototype locomotives for the Qinghai-Tibet Railway, port-type locomotives for the Erlianhot Railway Port, and a variety of export-type locomotives. CSR Group Since 2001, CSR Sifang Locomotive and Rolling Stock Co., Ltd. has implemented the principle of “universal, serialization, modularization, and standardization” of shunting locomotives by