BDe 4/4 no. 94 (or BDe 576 594 in the new numbering scheme) of SZU Sihltalbahn, a private 
railroad operating from Zürich along the Sihl valley. This EMU was orderer from SWS/MFO in 
1968. It weighs 58 tonnes and has a maximum speed of 70 km/h. SZU has four of these EMUs
which still operate on the "S4" line from Zürich to Langnau, running trains of approximately
4 coaches. Photo at Langnau station 30.5.99 by Ilkka Siissalo (ilkka@smile.ch)