373-506D BR HEA Hopper Wagon BR Railfreight Coal Sector No.361554 option-set-O-w-wagon-1 used on the very first

used on the very first Coca Cola advert

Contemporary facade with large office windows and double doors for front & side entrances

Diode test

front & back casing and a resistor

The Y1/Y3 sentinel was based on the road going lorry

373-506D BR HEA Hopper Wagon BR Railfreight Coal Sector No.361554 option-set-O-w-wagon-1 used on the very firstThe HEA Hopper Wagons were introduced following the success of the HAA Coal Hoppers which were first used in the mid 1960s to deliver coal to power stations as part of the then new Merry Go Round (MGR) trains. The first wagons were built in the mid 1970s as HBAs, but as construction progressed, the design was changed, and the code HEA was used for later batches. The HBAs were subsequently modified to match the HEAs and recoded, giving a total fleet of