GCY-300Ⅱ型重型轨道车该车主要用于铁路线路维修中物料、工具、人员的运输和牵引。
Model GCY-300 Ⅱ heavy-duty railcar is mainly used for transport and traction operations of the materials, tools and personnel during railway line maintenance.
GCY-300Ⅱ型重型轨道车为液力传动的四轴轨道车。驾驶室内前后端各设有标准化操作台，方便双向驾驶。走行系统采用具有二系悬挂的两轴转向架，轴箱定位采用拉杆式。其装机功率353kW，整车具有良好的动力学性能和牵引性能。传动系布置合理、安全可靠，空气制动系统采用JZ－7型空气制动机，操纵方便、适应范围广。配有75kW发电机和液压动力源，为施工现场提供AC380V交流电源和液压动力。车辆后端设有载货平台，平台面积不小于9㎡，可装载机具和物料。车辆后端安装液压直臂式起重机，用于线路维修中物料、工具及检测设备的装卸。
Model GCY-300 Ⅱ heavy-duty railcar is a four-axle railcar using hydrodynamic drive; both front and rear end of the cab are equipped with a standardized console to facilitate two-way driving. The running system adopts two-axle bogie with secondary suspension, with tie-rod for journal box positioning. Its installed power is 353 kW, and the entire car has good dynamic performance and traction performance. The drive system is well arranged, safe and reliable; the air brake system uses JZ-7 air brake which has good adaptability and is easy to be operated. It is provided with 75kW generator and hydraulic power source to provide AC380V AC power and hydraulic power for the construction site. The rear end of the car is designed with a cargo platform not less than 9 m2 used for storing machinery and materials. The rear end of the car is equipped with a hydraulic straight-arm crane used for loading and unloading of materials, tools and testing equipment during railway line maintenance.
