371-508ASF Class 101 2-Car 'Power Twin' DMU BR Green (Speed Whiskers) - DCC SoundExpected Delivery Jul Aug 2026 (Subject to Change at Manufacturer's Discretion). The Class 101 Diesel Multiple Units were the most numerous of all the first generation DMUs and were arguably the most successful in service, remaining in use for almost half a century and were delighted to present N Scale models of this iconic unit as part of the Graham Farish range. This particular two car unit depicts a Power Twin comprising two vehicles equipped with