The rectangular tank wagon is a completely new OO wagon from Dapol.

This is the first model using this new tooling carries the livery of Imerial Chemical Industries, who operated these wagons to convey ammonia and nitrates, commonly used for fertilizer production.

Rectangular tanks were among the first??bulk liquid rail??tank wagon designs introduced in the Victorian era.??Used for all liquid products, including??oil,??chemicals and even drinking water, circular tanks later replaced the rectangular design for new construction. The exisiting rectangular tanks continued in use, particularly for conveying coal tar, into the 1950s.