Type DES-GK1E31 diesel locomotive is another developed series product based on Type GK1 locomotive, suitable for the shunting and transfer operations in railways, metallurgical and petrochemical enterprises, ports, local lines etc.

In the locomotive are installed an EQ6240ZJ diesel engine rated at 1,000kW in vehicle and a EQ4012B hydraulic transmission box with hydraulic reversing and multiple-step gearings. With the walking way at each side, the locomotive has the running part consisting of two sets of exchangeable two-axle bogie. Fuel tank is suspended in the middle of the locomotive. The driver’s cab can provide a better looking-out condition and has good sound insulation. In order to suit for the severe conditions such as high temperature, cold climate, dusty areas, the locomotive is provided with high-efficiency engine inlet air filter and air supply purifier.

The locomotive is characterized by higher transmission efficiency, good starting and accelerating performance, flexible reversing, easy controlling, reliable operation and good adaptability. This type of locomotive has been chosen as the finalized diesel shunting locomotive by petrol chemical departments in China.