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
