share addons jr gs-4

   

They were built in two separate groups, the first batch of twenty locomotives (Nos. 4430-4449) in March-May 1941 and the second batch of eight locomotives (Nos. 4450-4457) in March-April 1942. The GS-4s were capable of reaching 120 mph (190 km/h), although SP had a speed limit restriction of 79 mph (127 km/h).

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