7S-005-014 Sentinel Y1/Y3 United Steel No 1 Steam Locomotive option-set-107 03 m) to 15 ft

03 m) to 15 ft 4 in (4

3 Front Lamp Irons (lower middle lamp iron removed

These became the A1 locomotive class

2x Play figures

7S-005-014 Sentinel Y1/Y3 United Steel No 1 Steam Locomotive option-set-107 03 m) to 15 ftThe Y1 Y3 sentinel was based on the road going lorry, utilising a similar centrally mounted steam tube boiler and chain drive system to the wheels. Whilst not having the greatest turn of speed (approximately 36mph top speed) these small locos proved capable of pulling a constant draw weight and were considered ideal for shunting in yards and providing motive power along smaller branch lines. These quirky little locos were used by all of the big four