- 22 June 1970 railcar power unit 28103 suffered a massive fire while in service near Renggam in Johore. The unit was withdrawn and deemed to be beyond economical repair
- Realignment works for the Port Dickson branch begins
- September 1971 the first of the 22 class locomotives built by English Electric arrives from the UK. By December 16 had been received.
- 15 January 1972 Port Weld station closed down, freight train services still remain
- A further 24 units of the 22 class locomotives arrived from the UK
- A small explosion ripped through Third Class coach TC640 on train no. 4up near Batu Gajah, Perak during the early hours of 22 June 1973. The train which was being worked by 22129 ground to a halt. The subsequent inquiry found that a grenade carried by one of the soldiers onboard had detonated.
- 1 November 1976 Ekspres Rakyat between Singapore and Butterworth launched using brand new airconditioned and non-air conditioned coaches from KSEC of Korea. The services were given train numbers 18up and 19dn
- Realigned Port Dickson branch officiated and opened to traffic
- 2 units 18 Class Diesel Electric shunting locomotives were received from Brush HMA of UK.
- 22 class locomotive road number 22128 withdrawn from service
- 8 units 18 Class Diesel Electric shunting locomotives were received from Brush HMA of UK.
- July 1979 Port Weld branch dismantled