7S-005-010 O Gauge Sentinel Y1/Y3 BR Early Crest Departmental No. 54 O Gauge DMU · Separate metal door and

· Separate metal door and commode handles

Two running light configurations

Guards area with separate lighting

The newly formed Robert Stephenson and Hawthorns became a subsidiary of the Vulcan Foundry in 1943 and Hawthorn’s 137-year connection with Forth Banks ended

Fire box glow

7S-005-010 O Gauge Sentinel Y1/Y3 BR Early Crest Departmental No. 54 O Gauge DMU · Separate metal door andThe 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