In this video from oorail.com we convert an old pre-1963 Hornby Dublo Esso tanker to a Hornby tension-lock style coupling. This conversion enables modern Hornby and Tri-ang locomotives to haul rolling stock with the much older Hornby Dublo style couplings. The Esso tanker is only converted on one side. So one side of the tanker connects to modern Hornby rolling stock or locomotives, while the other side connects to older Wrenn or Hornby Dublo rolling stock. The conversion can be carried out…