HG 4/4 With Passenger Coaches

The HG 4/4's were originally colonial locomotives, 9 being bought in 1923 by the French colonial administration from SLM to be used on the railway between Song Pha and Đà Lạt. The locomotives were abandoned during the Vietnam War, and two were brought back to Switzerland in 1990 and are being preserved on the Furka Mountain Line Steam Railway. The HG 4/4 was designed by SLM (Swiss Locomotive and Machine Works) for use on a cogwheel railway, and hence has 8 traction driving wheels, and 2 central cogs powered by as separate set of pistons and valve gear. This information was sourced from this page: https://de.wikipedia.org/wiki/SLM_HG_4/4 This vehicle was built in 1. 0 and will not work in the legacy version.