SBB diesellocomotive Bm 6/6 # 18505 (Bm 860 # 505), built in 1958 by SLM, BBC, SAAS and Sulzer and delivered in 1960, shunting in Brig in behalf of SBB infrastructure. In 2016, the locomotive was withdrawn and came to SBB Historic in Olten. In july 2022 sold to the Oensingen-Balsthal Bahn Historic.