Ferrocarriles Vascongados had bought ten Brown Boveri electric locomotives in 1927.

These were insufficient to haul all the freight trains operated by the company, and thus four new locomotives were ordered to Swedish manufacturer ASEA.

It was during this time that the locomotives had their original axleboxes changed by new ones manufactured by Timken, the most significant overhaul during their lifetime.

[2] The fourth locomotive was refurbished with the addition of a Scharfenberg coupler and a Faiveley pantograph.

[4] It was in use as a shunter in the San Sebastián-Hendaye line until in 2016, when it was donated to the Basque Railway Museum.