CKD4C (DF8B-VEN) Locomotive, as the first Chinese locomotive running on the South American Continental, is specifically developed and manufactured by CRRC Qishuyan Locomotive Co., Ltd. for the transportation on Venezuela mainline. The locomotive is equipped with 16V280ZJA diesel engine with maximum service power 3680kW (5000 horsepower), JF204D synchronous main alternator and ZD109E traction motor; the locomotive nominal power is 3100kW with axle load 25T; the maximum locomotive starting tractive effort is 480 kN (520kN when calculated on the motor), continuous traction effort is 369 kN, maximum constant power speed is above 90km/h and the minimum radius of curve negotiated is 145m.
Performance and characteristics: The locomotive adopts dual microcomputer control system with full-power self-load testing and double heading function.
Basic locomotive parameters:
1.Gage: 1435mm
2.Locomotive clearance: UIC 506-GC
3.Transmission mode: AC-DC transmission
4.Axle arrangement: C0-C0
5.Wheel diameter: 1050mm
6.Axle load: (25±0.75) t
7.Calculating locomotive weight with full service: (150±4.5) t
8.Nominal power (under UIC conditions): 3100kW
9.Maximum service power of the engine: 3680kW
10.Locomotive speed :
a) Maximum running speed (half worn driving wheel): 100km/ h
b) Continuous speed: 28.2km/h
11.Locomotive tractive effort at wheel rim:
a) Maximum starting tractive effort: 520kN (calculated at the traction motor) 480 kN(calculated at the adhesion)
b)Continuous tractive effort: 369kN
12.Minimum curvature radius negotiated: 145m
13.Wheelbase: 1800mm
Total wheelbase of bogie: 3600mm
Total wheelbase of locomotive: 15900mm
14.Locomotive configuration (L×B×H): 22000×2950×4650mm
15.Fuel tank capacity: 9000L
16.Coupler center line height: (875±10)mm