- 1963
EEA DEL1610 entered service.
- 1966
Clyde DEL1497 entered service.
- 1969
Clyde DEL1527 & Walkers DH33 both entered service.
- 1984
Walkers EMU76 entered service.
- 1987
Walkers EL3610 entered service.
- 1988
NCL Deviations at OAKHURST [6.710km] & BENARABY [15.260km] both opened for traffic.
- 1994
DEL2481 entered Redbank Workshops for a corporate colour respray as part of overhaul
DEL1700 worked 6037 Toowoomba-Normanby as its last train in original livery & before DOO conversion.
- 1999
Tilt Train units 303+304 set a new Australian Rail Speed Record of 210km/h on AVONDALE-BUNDABERG section of NCL
EL3168 worked E336-EG37-EJ36 Jilalan-Peak Downs-Jilalan as its last train in original colours.
- 2000
Walkers SMU235 entered service.
- 2024
Collision and derailment: Gooray Road level crossing, GOORAY, South West Line, between TOOBEAH & GOONDIWINDI, loaded Watco grain train 6839 & a truck. Both locos & the leading wagons derailed.
Sources: Freight train derailment west of Goondiwindi (Queensland Rail) · Level crossing collision between freight train 6839 and truck, Gooray Road, Gooray, Queensland, on 23 May 2024 (RO-2024-004) (ATSB) · Toobeah-Goondiwindi rail line resumes after derailment (Queensland Country Life)
Researched and compiled by Peter Burkitt, with later additions as sourced. About this list, abbreviations and the full calendar