Caterpillar introduced an ejector version of its D400E in 2001. In 2002/2003, the DX00 series of trucks were replaced with the 7XX range. Currently Caterpillar manufactures ADT's in 6 versions; 725, 730, 735, 740 and 730 Ejector, 740 Ejector versions. The 7XX truck series uses the same cab design across all types. These are all manufactured in the UK, at the Peterlee factory, in County Durham.