371-829ASF Class 47/4 47425 'Holbeck' BR Blue Diesel Locomotive - DCC SoundThe Class 47 was British Railways most prolific class of main line diesel locomotive and so its no surprise that high fidelity models of these ever popular machines are available in N Scale as part of the flagship Graham Farish range. Such were the variations that appeared across the fleet, whether from new or following modifications or refurbishment, that various sub classes were used to highlight particular features and the Class 47 4s were those