31-511A Class 158 2-Car DMU Arriva Trains Wales (Revised) Nos. 52824 & 57824The Class 158 is one of British Rails most successful second generation Diesel Multiple Units (DMUs); first introduced in 1989, the entire fleet remains in traffic to this day. This Bachmann Branchline model depicts one of the units that operates in Wales and across the English Welsh border, and the two car unit is decorated in Arriva Trains Wales livery. The pinnacle of OO scale second generation DMUs, the Branchline Class 158 combines high fidelity