| The 24 diesel-electric shunting tractors for the depots and workshops that were procured between 1958 and 1966 were designated as Tm III by SBB. Index III stands for performance class III (between 200 and 350 hp). This one was built as #4564 at SLM Winterthur in 1965. Today its owned by Stauffer, a switcher leasing company, as 231 007. |