Two more entered service in 1910 and 1911, and a sixth was acquired new by the South African Railways in 1923.

[1][2] The "Hc" classification identified the type as the third class to have been built for GSWA by Henschel, probably excluding locomotives which were no longer in service by the time the First World War broke out.

106 with works number 10765, were delivered by Henschel for service on the Otavi Railway.

[1][2][3] During the First World War, the former German Colony came under South African administration and the railways in GSWA came under control of the Union Defence Forces.

[1] None of the five pre-war Class Hc locomotives survived the war into the SAR era.