Empire Aldgate was built by W Gray Ltd, West Hartlepool[1] as yard number 1180.

She served with them for until 1951 when she was sold to Silvertown Services Ltd, London and renamed Sugar Refiner.

[3] On 12 September 1965, San Miguel put into Las Palmas, Canary Islands, due to problems with her boilers.

In August 1967, San Miguel was towed to Cartagena, Spain, where she was scrapped in September of that year.

Empire Aldgate had the UK Official Number 180083 from 1945 to 1958 and used the Code Letters MPBM.