sentences:  Production had begun in 1873 (at the original loco works) of carriages from kits supplied by the Pullman Company of Detroit in United States.These were followed by Clayton's own design of coaches, which incorporated both first- and third-class accommodation, and ran on four- or six-wheeled bogies.Initially claret or dark red, with dark green locomotives, the livery of both was changed to the well-known crimson in 1883.