JW-4G型接触网检修作业车主要适用于铁路接触网施工作业、日常检修维护、保养、抢险等作业，也可兼做牵引车辆，与其他车辆连挂进行接触网的抢修作业。
Model JW-4G OCS working car is mainly used for construction, daily maintenance, rescue and other operation of overhead catenary system of the railway. It can also be used as a traction car to carry out immediate repair operation of the OCS while being connected with other vehicles.
该车为液力传动的四轴作业车，发动机额定功率为353kW，最高运行速度120km/h。车辆配备液压升降回转作业平台，采用双作用油缸，可实现升降和左、右各120°的回转，可同时供六、七位施工人员同时在平台上作业。后端配备随车起重机可用于向作业平台吊送各种工具和器材。
The vehicle is a four-axle working car using hydrodynamic drive; its rated engine power is 353kW and the maximum traveling speed is 120km/h. The vehicle is mounted with a hydraulic lifting and slewing operation platform able to achieve lifting and 120° slewing to left and right through double acting cylinder. It can also provide the operation space for six or seven operators at the same time on the platform. The rear end is equipped with a crane used to hoist tools and equipment to the operation platform.
该车可根据用户需求可选配紧线柱、接触网检测装置、作业平台调平装置。
The vehicle can be optionally equipped with wire tightening post, OCS detection unit and operation platform leveling unit according to user needs.
