The HXN5 2000 series was launched in 2013, developed from the HXN5 loco. The HXN5 2000 series has two independent cab, which is different with original HXN5 series.
DF4-1087 successfully conquered this 12‰ slope, with sixty wagons.
The chinese national railway HXN3 is a 6000 horsepower diesel-electric locomotive. Manufactured by Dalian locomotive works from 2008.