NDJ3 "Harmony and the Great Wall" DMU is developed under the transportation demand of Beijing Olympic Games from Ministry of Railways,which commutes between Beijingbei and Yanqing. This DMU is a "2 motor-cars and 7 trailing cars" unit with one motor-car at each end and seven trailing passenger cars fixed in between.
Performance and characteristics: AC-DC electric transmission technology is utilized. The locomotive is equipped with 12V280ZJ diesel engine, JF211 main and auxiliary alternators, ZD106 traction motor and quasi-high speed suspension bogie with A1A axle arrangement. The Maximum running speed is 160km/h.
Basic locomotive parameters:
1.
Axle arrangement: A1A-A1A
2.
Transmission mode: AC-DC transmission
3.
Gage: 1435mm
4.
Nominal power: 2000kW
5.
Wheel diameter: 1050mm
6.
Axle load: 21t
7.
Calculating locomotive weight with full service: 126t
8.
Maximum running speed: 160km /h
9.
Constant speed: 59.3km/h
10.
Maximum starting tractive effort: 187.3kN
11.
Continuous tractive effort: 121 kN
12.
Center-to-center distance between two couplers: 20990mm
13.
Maximum configuration:
Height: 4736mm
Width: 3105mm
14.
Maximum dynamic braking power at wheel rim: 2250kW
15.
Rated output voltage for trailing cars (DC): 600V
16.
Maximum rectified output power for trailing cars: 360kW
17.
Minimum curvature radius negotiated: 145m
18.
Fuel tank capacity: 5500L
