NGG16 Beyer-Garratt No 87 (2-6-2 + 2-6-2) hauls a train on the steam operated line of the Welsh Highland Railway, on return journey from Caernarfon to Hafod y Llyn. Built in Belgium in 1936 under license for Beyer-Peacock of Manchester, she spent most of her working life in South Africa
These Garratts are said to be the most powerful narrow gauge locos in the world.