The locomotives were supplied by Henschel with the factory numbers of 46 to 49.

Over the years, 188 locomotives were supplied to these designs.

Vossloh suggests that the locomotives could be supplied with alternative engines subject to the customers demands.

Four 0-4-4 locomotives were supplied to the Metropolitan Railway between 1896 and 1901.

Five locomotives were usually in service, supplied by a contractor, Mr Chanter.

From the start, locomotives were supplied by the Furness Railway.

The final locomotive to the design, No.57 (works No 3834) was supplied by Hawthorn Leslie in 1934.

Another new locomotive was supplied in 2005.

During Soviet times, locomotives and wagons were regularly supplied on the basis of estimated needs.

The locomotives are supplied electricity from 25 kV AC overhead lines.