Re 420 # 503 of the Rhomberg Sersa Rail Group in the new paint scheme, in multiple control with Re 420 # 295 rented from the SBB, is entering Zweidlen with the empty Weiacher gravel train 69770 from Schlieren via Oerlikon-Bülach. The Re 420 # 503 was built in 1967 by SLM and BBC as Re 4/4 II # 11119 for the SBB and sold in 2004 to the BLS, renumbered to Re 420 # 503. In 2013 then sold to the Travys and in novembre 2019 to the Rhomberg Sersa Rail Group. New paint scheme since october 2021.