[6] The train was assembled as the replacement for the company's aging inspection saloon,[4][7][8] and is used for entertaining corporate clients,[9] for staff trips, managers, customers, functions, and as a "moving office".
[1] In the first year of operation the Macmillan Cancer Support charity were allowed to use the train too for fund-raising.
[7] The trainset was fitted with a wiring system allowing the Class 67 to work in push–pull mode with the DVT and Mark 3 coaches.
[2]: 7, 21 The DVT retains its Time Division Multiplexer (TDM) support but this is isolated and non-operational unless the company train is operating in push-pull mode with a Class 90 locomotive.
[2]: 18 Locomotive 67029 was also modified to include a slight modification to the auto-couplers to enable connecting to the existing Mk3 buckeye couplers without touching the coach's rubbing plate[2]: 21 —although it is normally attached using buffer-and-chain coupling.