Express locomotive. Swiss Federal Railways (SBB) class Ae 3/6II. 2-C-1 wheel arrangement. All drivers powered. 2 non-skid tires. Sprung pilot and trailing trucks. RELEX couplers at each end. Length over buffers 16 cm (6-5-16").
The SBB built 60 of these engines between 1924 and 1926 for use on lowland express trains. Tractive power was provided via driveshafts, yet engines performed well. Its original maximum speed of 90 km/h (56 mph) was later increased to 100 km/h (62 mph).
