Equipped with AC-DC transmission, DES-DF11D is a passenger diesel locomotive for quasi-high-speed hauling. It can running at speed over 160km/h on busy main line.
The diesel power drives a three-phase AC synchronous traction alternator to generate three-phase alternating current. Through rectifier, the current is fed to the traction motor which then drives the wheel sets through traction gears.
The locomotive features microcomputer control system, magnetic valve/air brake system and rheostat brake system, axle temperature inspection device, unit brake and double path radiator.
Transmission |
AC/DC |
Wheel arrangement |
Co-Co |
Axle load |
23 t |
Service power |
3,820 kW |
Design speed |
170 km/h |
Min. curve negotiation radius |
145 m |
Length over coupler centers |
21,100 mm |
Diesel engine model |
12V280ZJ |