SDA3型交流传动内燃机车
SDA3 AC Transmission Diesel Locomotive
- 主要技术参数
| 轨距（Rail Gauge） |
1000mm |
| 传动方式（Transmission） |
交-直-交流电传动（AC-DC-AC Electric Transmission） |
| 轴式(Axle Arrangement) |
Co - Co |
| 轮径（Normal Wheel Diameter） |
1067mm |
| 轴重（Axle Load） |
20t |
| 整备重量（Service Weight） |
120t |
| 柴油机装车功率（Operating Power） |
2800kW |
| 柴油机标定功率（Nominal Power） |
2380kW |
| 最大运用速度（Max. Operating Speed） |
100km/h |
| 持续速度(Continuous Speed) |
17.7km/h |
| 最大起动牵引力(Max. Starting Tractive Effort) |
460kN |
| 持续牵引力(Continuous Tractive Effort) |
360kN |
| 通过最小曲线半径(Min.Radius of Curvature Negotiated) |
130m |
| 燃油箱容量(Capacity of Fuel Tank) |
5500L |
| 车钩中心线距轨面高度(Coupler Center Height over the Track Surface) |
850mm |
| 机车外形尺寸（Overall Dimensions） |
20490X2850X4000mm |
SDA3型内燃机车是戚墅堰公司为满足泰国干线客、货运运输需求而专门研制的内燃机车，采用交-直-交电传动，轨距1000mm，装车功率2380kW，轴重20t，最大运行速度100km/h,采用内走廊双司机室结构，侧壁承载式车体，机车装用CAT C175-16型电喷柴油机、交流牵引系统、微机网络控制系统、辅机交流电传动系统、具有全功率自负荷试验功能的电阻制动系统、WABTEC 26-LA空气制动系统和三轴滚抱径向转向架，具有双机重联功能。
The SDA3 locomotive is specially developed and manufactured by CRRC Qishuyan Co., Ltd. for the transportation of passenger and freight using in Thailand mainline.The locomotive adopts AC-DC-AC electric transmission , and its gauge is 1000mm. The maximum service power is 2380kW. The axle load of the locomotive is 20t and the maximum speed is 100km/h. The locomotive adopts inner corridor and side wall bearing structure with double driver cabs. The locomotive is equipped with CAT C175-16 type diesel engine, AC traction system, computer logic control technique, WABTEC 26-LA air brake system. The bogie is three-axle radial bogie with rolling bearing axle-huge suspension. The locomotive has the function of double heading.