The Belgian State Railways Type 2 was a class of steam locomotives for passenger service introduced in 1875.
Alfred Belpaire developed the class from the Type 28 by increasing their driving wheels from to . The class had Belpaire fireboxes, external frames and internal cylinders connected by Stephenson valve gear.
In 1882, a number of Type 2 and Type 28 engines were rebuilt as the Type 2bis, totalling 31 locomotives. This was done on the Type 2 by using the Type 28 driving axle as leading wheels.