Powered by two Cummins diesel engines with a combined output of 612 kW (821 hp), the trains are capable of speeds of 140 km/h (87 mph).

However, the technical problems to which the units have been prone and a cramped interior design have made them unpopular among riders.

During the mid-1990s, NSB had initiated a program to replace the traditional locomotive and carriage trains with new, tilting multiple units.

This had led to the order of sixteen Class 73 four-car units for the three mainline routes on the Bergen, Dovre and Sørland Lines.

To supplement this, on 14 November 1996 the board of NSB decided to purchase seven tilting diesel multiple units for the Røros and Rauma Lines.

[2] Three bids were submitted by the deadline of 1 April 1997, and the contract with Talbot, which had just been bought by Bombardier, was finalized on 27 November 1997.

On the Nordland Line, the Class 93 serves both the Ole Tobias service between Trondheim and Mo i Rana.

This is the longest rail service in the country, and customers were dissatisfied with the comfort of the Class 93, despite the higher permitted speeds.

In a tendering process the network 2 north between Oslo and Bodø changed in June 2020 from the operator Vy to SJ Norge.

[12] The Class 93 is a double-car diesel multiple unit with a built-in tilting mechanism (called ContRoll by Bombardier) to allow faster speeds on conventional track.

The central part, including both doors on each side, are on a low-floor section, while the area at the front is higher.