| Class S-4 wagons entered service between 1980 and 1981 and are flat wagons designed to transport abnormal loads. Type 2 wagons were modified, most likely to carry welded rail.Number range 17 014 018 to 17 014 212, Length between couplers 20.140m, Length over headstocks 19.202m, Length between bogie pivot centres 14.478m, Deck height 1.060m, Width 2.338m, Tare (average, before modification) 19,800kg, Load 54,000kg, Deck area 44.9m2, Capacity 45.2m3. |