The prototype coach was completed in 1971 and started testing with conventional locomotives.

Passenger services reverted to push-pull operation with a conventional locomotive for the rest of the line's existence.

Twelve years later, conventional locomotives replaced the atmospheric powered engines.

It used conventional locomotives for four of its eight scheduled trains.

The first conventional locomotive, an 0-4-0 well tank, was built in 1888 for Australia.

It was later rebuilt as a conventional locomotive 46202 Princess Anne.

Each side of the locomotive had its own separate engine, as with conventional locomotives.

The decision was taken to rebuild them into more conventional 4-6-0 tender locomotives.

Despite this limitation, it had greater thermal efficiency than conventional locomotives.

It decided to develop a conventional rather than articulated locomotive, to avoid a repeat of the G class failure.