The railways have always been good at making use of things they have lying around to create something new and useful, now we're done the same with our VDA van chassis.

Converted during the early 1990's the Sea Urchins were designed as a replacement for older vacuum braked and unfitted engineers wagons used for carrying ballast or spoil with reinforcing ribs to help them withstand the battering given to them by mechanical excavators when loading or unloading.