[1] The railcars operated in multiple unit formation until the mid 1970s, when they were converted into trailers and coupled with conventional diesel locomotives.

[8][7] The diesel engines can be replaced with fuel cells to reach zero emissions operation.

[9] The trains feature digital passenger information systems, a prayer room and a light catering bar.

KTMB held a launch party for the new trains for 11 April 2021, inaugurating DMU service between Tumpat, Gua Musang and Kuala Lipis.

[10] From 21 February 2022, the trains were fully utilised on the east coast line with the opening of shuttle timuran 35up/38dn from Kuala Lipis to Gemas.