[1][2][3] Twelve Type XC tenders were built in 1910 by the North British Locomotive Company (NBL).

[1][2][3] The Central South African Railways (CSAR) placed twelve Class 10-C Pacific type locomotives in service in 1911 and 1912.

[1][2][3] The Type XC entered service as tenders to these locomotives, which were acquired for light passenger working on the Reef.

[3] A number, when added after the letter code, indicates differences between similar tender types, such as function, wheelbase or coal bunker capacity.

[3] The Class 10C locomotives were soon found to be capable of handling mainline passenger trains and they were therefore equipped with new and larger Type XM2 tenders.

Collins DSO, who approved several of the detailed drawings for the work during his term in office as Chief Mechanical Engineer of the SAR from 1922 to 1929.