Newest vehicle for SBB infrastructure, built by Windhoff company at Rheine/Germany. In 2015, the SBB ordered 35 of this diesel multi purpose vehicles Tm 234.4 "Dart" (Diesel Arbeits- und Rangier Traktor/diesel tractor for work and shunting), with a 520 kW prime mover and a smaller 130 kW diesel, maximum velocity is 100 km/h. The first of this "tractors" reached Switzerland shortly and is now on test runs. Tm 98 85 5 234 401-8 is on the way from Ins to Kerzers.
