The WAB has two of these freight locomotives, numbers 31 and 32, which usually work Lauterbrunnen to Wengen as the heaviest freight traffic is between Lauterbrunnen and car-free Wengen. They are class He2/2 built by Stadler, Schweizerische Lokomotiv und Maschinenfabrik (SLM), and Asea Brown Boveri (ABB) in 1995. Direct current motor, 460 kilowatts with a top speed of 22 kph weighing 16 tons they have radio remote controls. They were rebuilt in 2011.